AP Chemistry Multiple Choice Practice Test

Question 1 of 3

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What is the percent composition of iron (II) sulfate hexahydrate?

	4.2% Fe; 4.2% S; 41.6% O; 50.0% H
	16.7% Fe; 16.7% S; 66.6% O
	21.5% Fe; 12.3% S; 24.6% O; 41.6% H
	21.5% Fe; 12.3% S; 61.5% O; 4.7% H
	36.8% Fe; 21.1% S; 42.1% O

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