Quiz 1: Quantitative Chemistry

10 Questions  I  By WlHKIED
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Quiz 1: Quantitative Chemistry
This quiz consists of 10 questions. Each question offers 4 suggested answers. Choose the answer you consider to be the best. The maximum mark for this quiz is 10. AnswerALLthe questions. You have 20 minutes to attempt all the questions. You may use the Periodic Table from the back of your book.

  
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Question Excerpt

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1. 
What is the number of oxygen atoms in one mole of ?
A.
B.
C.
D.
2.  Which compound has the empirical formula with the largest mass?
A.
B.
C.
D.
3. 
When the equation below is balanced for 1 mol of , what is the coefficient for ?
A.
B.
C.
D.
4. 
Calcium carbonate decomposes on heating as shown below. When 50 g of calcium carbonate are decomposed, 7 g of calcium oxide are formed. What is the percentage yield of calcium oxide?
A.
B.
C.
D.
5. 
5  of carbon monoxide, CO(g), and 2  of oxygen, (g), at the same temperature and pressure are mixed together. Assuming complete reaction according to the equation given, what is the maximum volume of carbon dioxide, (g), in , that can be formed?
A.
B.
C.
D.
6. 
A gas sample occupies a volume  at a pressure  and a Kelvin temperature . What would be the temperature of the gas, , if both its pressure and volume are doubled?
A.
B.
C.
D.
7. 
A blast furnace contains 1600 kg of iron(III) oxide ( = 160) and 144 kg of carbon ( = 12). Assuming that they react according to the following equation: what is the limiting reagent and the maximum theoretical yield of iron?
A.
B.
C.
D.
8. 
Which sample of nitrogen gas, , contains the greatest number of nitrogen molecules?
A.
B.
C.
D.
9. 
What will be the concentration of sulfate ions in  when 0.20 mol  is dissolved in water to give 100  of aqueous solution?
A.
B.
C.
D.
10. 
What volume, in , of 0.200  HCl(aq) is required to neutralize 25.0  of 0.200  (aq)?
A.
B.
C.
D.
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