Chem Mastery Limiting Set 2

2 Questions
Chem Mastery Limiting Set 2
Sample Question

3 CaCO3 + 2 FePO4 --> Ca3(PO4)2 + Fe2(CO3)3   What is the limiting reagent, assuming we start with 100 grams of calcium carbonate and 45 grams of iron (III) phosphate.

Calcium carbonate

Iron (III) phosphate

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Questions and Answers
  • 1. 
    3 CaCO3 + 2 FePO4 --> Ca3(PO4)2 + Fe2(CO3)3   What is the limiting reagent, assuming we start with 100 grams of calcium carbonate and 45 grams of iron (III) phosphate.
    • A. 

      Calcium carbonate

    • B. 

      Iron (III) phosphate

  • 2. 
    Zn     +    S        -->    ZnS       Zn 25.0 g     S 30.0 g      Which one is the limiting reagent?
    • A. 

      Zn

    • B. 

      S