what is the molarity of a solution with 198 grams sodium hydroxide dissolved in enough water to make 1.5 liters of solution?
回答 (1)
2018-05-15 10:27 am
Molar mass of NaOH = (23.0 + 16.0 + 1.0) g/mol = 40.0 g/mol
No. of moles of NaOH dissolved = (198 g) / (40.0 g/mol) = 4.95 mol
Molarity of NaOH = (4.95 mol) / (1.5 L) = 3.30 M
No. of moles of NaOH dissolved = (198 g) / (40.0 g/mol) = 4.95 mol
Molarity of NaOH = (4.95 mol) / (1.5 L) = 3.30 M
收錄日期: 2021-04-24 01:05:30
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