potassium chromate: K2CrO4
molar mass K = 39.1 g/mol
molar mass Cr = 52.0 g/mol
molar mass O = 16.00 g/mol
molar mass K2CrO4 = (39.1 g/mol x 2) + 52.0 g/mol + (16.00 g/mol x 4)
molar mass K2CrO4 = 194.2 g/mol
Mass percent of K:
total mass K = 39.1 g/mol x 2
total mass K = 78.2 g/mol
Calculate the mass percent composition of each constituent element of potassium chromate.
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