you need 0.0100 mole of lead (2) chromate. How mush should you weigh on the scale?
回答 (2)
2017-01-11 10:45 am
Molar mass of PbCrO₄ = (207.2 + 52.0 + 16.0×4) g/mol = 323.2 g/mol
Mass of PbCrO₄ = (0.0100 mol) × (323.2 g/mol) = 3.232 g
Mass of PbCrO₄ = (0.0100 mol) × (323.2 g/mol) = 3.232 g
2017-01-11 10:45 am
323.2 g/mole X 0.0100mole <<< can you finish?
收錄日期: 2021-05-01 13:06:33
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