更新1:
I use systems of equations and get NaBr=.216 g. However, the answer in the book is .224 g. my answer does not check out but the book answer does. When I use NaBr=.216g, the masses add up to 2.06 g instead of 2 (verified using mass ratios).
I use systems of equations and get NaBr=.216 g. However, the answer in the book is .224 g. my answer does not check out but the book answer does. When I use NaBr=.216g, the masses add up to 2.06 g instead of 2 (verified using mass ratios).
收錄日期: 2021-04-18 18:03:10
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https://hk.answers.yahoo.com/question/index?qid=20171227120107AAbsm0Z