Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
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1.
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Given the
reaction: 2 CO + O2 --> 2
CO2
What is the minimum number of moles of O2 required to produce 1 mole of
CO2?
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2.
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Given the
reaction: 3 PbCl2 + Al2(SO4)3 --> 3
PbSO4 + 2 AlCl3
What quantity of PbSO4 is formed when 0.150
moles of Al2(SO4)3 is consumed? a. | 0.0500 moles | b. | 0.150 moles | c. | 0.450 moles | d. | 0.600 moles | | | | | | | | |
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3.
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Given the
reaction: Ca + 2 H2O --> Ca(OH)2 +
H2
What quantity of H2O is needed to react exactly with 2.0 moles of
Ca? a. | 1.0 mole | b. | 2.0 moles | c. | 0.50
moles | d. | 4.0 moles | | | | | | | | |
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4.
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Given the
reaction: 2 NaOH + H2SO4 --> Na2SO4
+ 2 H2O
What is the number of moles of NaOH needed to react completely with 2
moles of H2SO4?
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5.
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Given the
reaction: 2 Na + 2 H2O --> 2 NaOH +
H2
What is the number of moles of hydrogen molecules produced when 4 moles of sodium
react completely?
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