Chem Mastery Mixed Stoich Set 1

3 Questions
Chem Mastery Mixed Stoich Set 1
Sample Question

Calcium carbonate decomposes at high temperatures to form carbon dioxide and calcium oxide: CaCO3(s) --> CO2(g) + CaO(s) How many grams of calcium carbonate will I need to form 3.45dm3 of carbon dioxide?

12.2g

13.2g

14.2g

15.2g

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Questions and Answers
  • 1. 
    Calcium carbonate decomposes at high temperatures to form carbon dioxide and calcium oxide: CaCO3(s) --> CO2(g) + CaO(s) How many grams of calcium carbonate will I need to form 3.45dm3 of carbon dioxide?
    • A. 

      12.2g

    • B. 

      13.2g

    • C. 

      14.2g

    • D. 

      15.2g

  • 2. 
    How many liters of 0.100M HCl would be required to react completely with 5.00 grams of calcium hydroxide? Ca(OH)2(s) + 2 HCl(aq) --> CaCl2(aq) + 2 H2O(l)
    • A. 

      1.35dm3

    • B. 

      1.55dm3

    • C. 

      1.75dm3

    • D. 

      1.95dm3

  • 3. 
    KCl(aq) + AgNO3(aq) --> AgCl(s) + KNO3(aq) Silver nitrate solution is added to 25.00cm3 of a 0.500M potassium chloride solution until no more precipitate forms. What mass of silver chloride will be formed?
    • A. 

      1.39g

    • B. 

      1.59g

    • C. 

      1.79g

    • D. 

      1.99g