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问题:

计算。配制200g24.5%的稀硫酸,需_________g98%浓硫酸和_________ g水。实际操作时,取98%浓硫酸_

计算。

配制200g24.5%的稀硫酸,需_________g98%浓硫酸和 _________ g水。实际操作时,取98%浓硫酸_____________mL(精确到1mL);


  参考答案

正确答案:
50g,150 g,27 mL

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