(完整word版)八年级物理质量与密度计算题分类练习.pdf

密度计算题分类练习1 1 一、同体积问题1、一个容积为 2.5 升的塑料壶，用它装酒精，最多能装多少克？2、一个瓶子能盛1 千克水，用这个瓶子能盛多少千克酒精？3、有一只玻璃瓶，它的质量为0.1kg，当瓶内装满水时，瓶和水的总质量为0.4kg，用此瓶装另一种液体，瓶和液体的质量为0.64kg，求这种液体的密度。4.把一块金属放入盛满酒精（酒精=0.8g/cm3）的杯中时，从杯中溢出8g 酒精。若将该金属块放入盛满水的杯中时，从杯中溢出水的质量是多少？5铸造车间浇铸合金工件，已知所用木模质量为500 g，木料密度为 07103 kg/m3今称得每个合金工件的质量为49 kg，则该合金的密度是多少？6.假设钢瓶内储满 9 千克液化气，钢瓶容积为0.3m 3,今用去一半，则钢瓶内剩下的液化气密度为多少?精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 11 页 -密度计算题分类练习2 2 7、某铜制机件的质量为0.445千克，如改用铝制品质量可减轻多少？8、如图 3 所示，一只容积为310-4m3的瓶内盛有 0.2kg 的水，一只口渴的乌鸦每次将一块质量为 0.01kg 的小石块投入瓶中，当乌鸦投入了25 块相同的小石块后，水面升到瓶口。求：（1）瓶内石块的总体积；（2）石块的密度。9、一个容器盛满水总质量为450g，若将 150g小石子投入容器中，溢出水后再称量，其总质量为 550g,求：(1)小石子的体积为多大？(2)小石子的密度为多少？精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 11 页 -文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8密度计算题分类练习3 3 10、一空杯装满水的总质量为500 克，把一小物块放入水中，水溢出后，杯的总质量为800克，最后把物块取出后，杯的总质量为200 克，求此物块的密度是多少？11某同学没有利用量筒也测出了一满杯牛奶的密度.他的方法是这样的：先用天平测出一满杯牛奶的总质量是 120 g，然后测得空杯子的质量是50 g，最后他将该杯装满水，又用天平测得水和杯子的总质量是100 g.请你帮该同学算一算此杯牛奶的密度是多少？二、同质量问题1、体积为 1 m3的冰化成水的体积多大？(冰=0.9103kg/m3)2、体积为 9 m3的水化成冰的体积多大？3、郑小胖家的一只瓶子，买0.5kg 酒刚好装满.小胖用这只瓶子去买0.5kg 酱油，结果没有装精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 11 页 -文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8密度计算题分类练习4 4 满，小胖以为营业员弄错了.现在请你思考一下，到底是谁弄错了？(通过计算说明)4质量为 9 千克的冰块，密度为0.9103千克/米3.(1)求冰块的体积（2）若冰块吸热后，有 3 分米3的冰融化成水，求水的质量5、学校安装电路需用铜线，现手头有一卷铜线,其质量是 178 千克，横截面积是 2.5 平方毫米，这卷铜线的长度是多少米？（铜=8.9103千克米3）6在一块表面积为6 米2的铁件上镀铜后，铁件的质量增加了1.068 千克，求所镀铜的厚度（铜=8.9103千克/米3）。（4 分）7一捆铜丝的质量为20 千克，剪下 5 米长的一段称得其质量为0.89千克，已知铜的密度为8.9103千克米3，那么这捆铜丝有多长？这根铜丝有多粗？精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页，共 11 页 -文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8密度计算题分类练习5 5 8、如果砖的密度是2103千克米3，一块砖的体积是1.4103厘米3，那么一辆能装载4吨的汽车最多能运多少块砖？9、一零件的木模质量为200 克，利用翻砂铸模技术，制作钢制此零件30 个，需要多少千克钢材？（木=0.6103kg/m3）10 宇宙中有一种中子星，其密度可达 11017 kg/m3，试算一算一个约乒乓球(体积约为 34 cm3)大小的中子星的质量.如果一辆汽车每次运载10 t，则需多少次才能将此物质运完？精品资料-欢迎下载-欢迎下载 名师归纳-第 5 页，共 11 页 -文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8密度计算题分类练习6 6 三、空心与混合的问题1.一个体积是40cm3的铁球，质量是156g，这个铁球是空心的还是实心的？（铁=7.8103kg/m3）若是空心的，空心部分的体积多大？2、盐水选种是我国劳动人民很早就发明的一种选饱满种子的方法：选芒粳稻种需要配制密度为 1.1103Kg/m3的盐水，某农户配制了50L 盐水，取出 50ml 进行检测，测得这些盐水的质量为 600g，（测完后将盐水还倒回）。请帮助他分析一下这样的盐水是否符合要求，(1)如不符合则应采取什么措施？(2)将这些盐水配制到符合要求时共为多少升？3.有一质量为 5.4 千克的铝球，体积是3000 厘米3，试求这个铝球是实心还是空心？如果是空心，则空心部分体积多大？如果给空心部分灌满水，则球的总质量是多大？（铝=2.7103千克/米3）精品资料-欢迎下载-欢迎下载 名师归纳-第 6 页，共 11 页 -文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8密度计算题分类练习7 7 4用 20g 密度为 19.3g/cm3的金和 10g 密度为 8.9g/cm3的铜合在一起制作一工艺品，制成后工艺品的密度为多大？5有一块 20m3的矿石，为了测出它的质量，从它上面取 10cm3样品，测得样品的质量为26g，根据以上数据求出矿石的密度和质量？6、有一节油车，装满了30 米3的石油，为了估算这节油车所装石油的质量，从中取出了30厘米3石油，称得质量是24.6 克，问：这节油车所装石油质量是多少？(2.46104kg)精品资料-欢迎下载-欢迎下载 名师归纳-第 7 页，共 11 页 -文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8密度计算题分类练习8 8 7：老板派小姚去订购酒精，合同上要求酒精的密度小于或者是等于0.82g/cm3就算达标，小姚在抽样检查时，取酒精的样本500ml，称得的质量是420g.请你通过计算说明小姚的结论是(A 达标 B 不达标，含水太多)你认为小姚该怎么办?(酒=0.8103 kg/m3水=1.0103 kg/m3)8、不用天平，只用量筒，如何量出100 克酒精来？9、一台拖拉机耕地一亩耗油0.85kg，它的油箱的容积是100 升,柴油的密度是850kg/m3，该拖拉机装满油后最多耕地的亩数是多少?10.用盐水选种，要求盐水的密度是1.1103kg/m3，现在配制了 0.5dm3的盐水，称得盐水的质量是 0.6kg。这种盐水合不合要求？若不合要求，应加盐还是加水？加多少？11用 20g密度为 19.3g/cm3的金和 10g密度为 8.9g/cm3的铜合在一起制作一工艺品，制成后工艺品的密度为多大？精品资料-欢迎下载-欢迎下载 名师归纳-第 8 页，共 11 页 -文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ10M3X9I8U8文档编码:CN2S2D6Y1H8 HZ8H10S9Q4E8 ZJ