What is the mass percent of NaOH in a solution of 3.49 g NaOH in 140 g of water.?
回答 (1)
Mass percent of NaOH = [3.49/(3.49 + 140)] × 100% = 2.43%
收錄日期: 2021-04-18 17:53:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20171030012842AAw17LT
檢視 Wayback Machine 備份