Calculate the mass of 0.2 (mol) of an oxygen atom? I'm thinking the answer is 3.2 (g) am I right?
回答 (2)
2016-11-17 12:30 pm
✔ 最佳答案
Yes, you are right.Molar mass of O atoms = 16.0 g/mol
Mass of 0.2 mol of O atoms = (0.2 mol) × (16.0 g/mol) = 3.2 g
2016-11-17 12:32 pm
0.2 moles x 16 g/mole = 3.2 grams. Bingo.
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