Chem Mastery Mixed Stoich Set 3

3 Questions
Chem Mastery Mixed Stoich Set 3
Sample Question

If I combined 15.0 grams of calcium hydroxide with 75.0cm3 of 0.500 M HCl, how many grams of excess reagent would be left over? Ca(OH)2(s) + 2 HCl(aq) --> CaCl2(aq) + 2 H2O(l)

10.6g

11.6g

12.6g

13.6g

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Questions and Answers
  • 1. 
    If I combined 15.0 grams of calcium hydroxide with 75.0cm3 of 0.500 M HCl, how many grams of excess reagent would be left over? Ca(OH)2(s) + 2 HCl(aq) --> CaCl2(aq) + 2 H2O(l)
    • A. 

      10.6g

    • B. 

      11.6g

    • C. 

      12.6g

    • D. 

      13.6g

  • 2. 
    When chlorine is added to acetylene, 1,1,2,2-tetrachloroethane is formed: 2 Cl2(g) + C2H2(g) --> C2H2Cl4(l) How many dm3 of chlorine will be needed to make 75.0 grams of C2H2Cl4?
    • A. 

      20.3dm3

    • B. 

      21.3dm3

    • C. 

      22.3dm3

    • D. 

      23.3dm3

  • 3. 
    BaCl2(aq) + 2AgNO3(aq) --> 2AgCl(s) + Ba(NO3)2(aq) Excess barium chloride solution is added to 25.00cm3 of 0.100M silver nitrate solution. What mass of silver chloride is formed?
    • A. 

      0.328g

    • B. 

      0.338g

    • C. 

      0.348g

    • D. 

      0.358g