Chemistry Concepts and Applications

Section 2: Using Moles

Self Check Quizzes

1
There are 120 grams of carbon in one mole of geraniol. The percent by mass of geraniol is shown. What is the molar mass of geraniol?

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A)120 g/mol
B)154 g/mol
C)14.0 g/mol
D)12.5 g/mol
2
One mole of any gas at STP occupies 22.4 L. How would a balloon of air behave in an atmosphere of chlorine at STP?

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A)It would expand.
B)It would contract.
C)It would float.
D)It would sink.
3
What is the mass of 0.100 mol of sodium chloride?
A)0 g
B)3.55 g
C)5.85 g
D)10.0 g
4
What volume of HCl at STP can be produced by the reaction of 12.0 L of hydrogen and 24.0 L of chlorine, both at STP?
A)12.0 L
B)36.0 L
C)24.0 L
D)100.0 L
5
2.52 g of diatomic oxygen occupies 3.00 L at 266 K. What is the pressure of the oxygen?
A)58.0 kPa
B)42.0 kPa
C)33.5 Pa
D)123 kPa
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