Problem: A) What is the mass, in grams, of 1.50 mol of iron (III) sulfate? Express your answer using three significant figures.B) How many moles of ammonium ions are in 6.935 g of ammonium carbonate? Express your answer using three significant figures.C) What is the mass, in grams, of 1.40 x 1021 molecules of aspirin, C9H8O4? Express your answer using three significant figures.

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A) What is the mass, in grams, of 1.50 mol of iron (III) sulfate? Express your answer using three significant figures.


B) How many moles of ammonium ions are in 6.935 g of ammonium carbonate? Express your answer using three significant figures.


C) What is the mass, in grams, of 1.40 x 1021 molecules of aspirin, C9H8O4? Express your answer using three significant figures.



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