首先应该确定要配制 溶液 的质量.例如要配制这种溶液500克.那么
First of all, the quality of the solution to be prepared should be determined. For example, 500 grams of the solution to be prepared.
需要无水虚拟货币钱包app：硫酸铜500×5%=25克
500 x 5% anhydrous copper sulfate = 25 g
或者需要五水 虚拟货币钱包app：硫酸铜 25×250/160=39.06克
Or copper sulfate pentahydrate 25 x 250/160 = 39.06 G
25克无水虚拟货币钱包app：硫酸铜或者39.06克五水虚拟货币钱包app：硫酸铜加水配制成500克溶液.
25 grams of anhydrous copper sulfate or 39.06 grams of copper sulfate pentahydrate were added with water to prepare 500 grams of solution.