Calculating Relative Masses

10 Questions

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Periodic Table Quizzes & Trivia

Do you know how to calculate Ar and Mr? Find out by answering all the questions in the Quiz. Refer to the Periodic Table to answer the questions,.


Questions and Answers
  • 1. 
    Calculate the relative molecular mass of HF.
  • 2. 
    Calculate the relative molecular mass of NH3.
  • 3. 
    Calculate the relative formula mass of CaO.
  • 4. 
    Calculate the relative formula mass of K2O.
  • 5. 
    Calculate the relative formula mass of Na2SO4.
  • 6. 
  • 7. 
  • 8. 
    Calculate the relative formula mass of FeSO4.7H2O.
  • 9. 
    Metal M forms a sulfate ion with the formula MSO4, which has a relative formula mass of 136. Calculate the relative atomic mass of metal M.
  • 10. 
    Metal X forms a sulfate ion with the formula Cu(XO3)2, which has a relative formula mass of 414. Calculate the relative atomic mass of metal X.