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ZX-060A782DA02026年9月美国A卷 · 第 22 题
2026年9月美国A卷 · 原库模块 3 · Q22 参考答案
A biologist mixed a solution that is 0.10% sodium chloride by mass with a solution that is 0.25% sodium chloride by mass to obtain a new solution, which has a mass of 50.00 grams and contains 0.08 grams of sodium chloride. How many grams of sodium chloride are contained in the 0.10% sodium chloride solution the biologist used?
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