作者itshin (Uriana)
看板Chemistry
标题[学科]分析化学一题
时间Sun Mar 18 14:01:18 2012
题目如下
What is the true mass of water weighted at 24℃
in the air if the apparent mass is 1.034 6 ± 0.000 2 g?
The density of air is 0.001 2 ± 0.0001 g/mL and the density of balance weights
is 8.0 ± 0.5 g/mL. The uncertainty in the density of water in
Table 2-7 is negligible in comparison to the uncertainty in the density
of air
Table 2-7相关内容如下
water at 24℃
density 0.997 299 5
volume of 1 g of water(ml) at temperature 1.003 8
请化学高手帮忙解答一下
真的看不太懂题意 谢谢
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