Question

1. What is the mass of the 3.7 mol PbO2?
A. 884 g PbO2
B. 65 g PbO2
C. 0.15 g PbO2
D. 825 g PbO2

I honestly have no guess for this one. Can anyone tell me how to do it?
g = mols x molar mass
the temperature of a substance as its heat of fusion is added to melt the substance
A- 884 g pbo2

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