Calculating Molar Mass Grade 9a

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How is the molar mass of a substance determined?


Questions and Answers
  • 1. 
    What is the molar mass of Carbon?
    • A. 

      6 g/mol

    • B. 

      12.01 g/mol

    • C. 

      19.00 g/mol

    • D. 

      1.01 g/mol

  • 2. 
    What is the molar mass of CH4 (methane)?
    • A. 

      12.01 g/mol

    • B. 

      13.02 g/mol

    • C. 

      16.05 g/mol

    • D. 

      32.10 g/mol

  • 3. 
    What is the molar mass of (NH4)2CO3 (Ammonium carbonate)?
    • A. 

      96.11 g/mol

    • B. 

      82.10 g/mol

    • C. 

      106.11 g/mol

    • D. 

      43.01 g/mol

  • 4. 
    What is the molecular mass of Cu3(PO4)2?
    • A. 

      253.49 g/mol

    • B. 

      380.59 g/mol

    • C. 

      110.22 g/mol

    • D. 

      348.59 g/mol

  • 5. 
    What is the molecular mass of Aluminum nitrate Al(NO3)3 from this equation: 2Al(s)   + 3Fe(NO3)2(aq)   à 3Fe(s)  + 2Al(NO3)3(aq)  
    • A. 

      213.01 g/mol

    • B. 

      335.98 g/mol

    • C. 

      56.99 g/mol

    • D. 

      141.01 g/mol