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Grade 9 · Chemistry

Grade 9 General chemistry worksheet

20 questions on general chemistry. The answer key is a separate download.

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What is on the worksheet

  1. A model sample has mass 212 g and stated molar mass 64 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  2. A sample contains 3.5 mol and has stated molar mass 116 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  3. A sample contains 2 mol and has stated molar mass 58 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  4. A sample contains 0.3 mol and has stated molar mass 122 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  5. A model sample has mass 156 g and stated molar mass 173 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  6. A model sample has mass 150 g and stated molar mass 126 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  7. A sample contains 2.1 mol and has stated molar mass 16 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  8. A model sample has mass 128 g and stated molar mass 60 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  9. A model sample has mass 146 g and stated molar mass 109 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  10. A sample contains 1.3 mol and has stated molar mass 126 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  11. A sample contains 2.4 mol and has stated molar mass 143 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  12. A model sample has mass 70 g and stated molar mass 154 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  13. A model sample has mass 57 g and stated molar mass 141 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  14. A model sample has mass 152 g and stated molar mass 129 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  15. A sample contains 1.3 mol and has stated molar mass 114 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  16. A sample contains 3.1 mol and has stated molar mass 100 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  17. A sample contains 3.8 mol and has stated molar mass 56 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  18. A sample contains 0.3 mol and has stated molar mass 132 g/mol. Find its mass. Round to 3 decimal places if needed. Answer in g.

  19. A model sample has mass 132 g and stated molar mass 141 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

  20. A model sample has mass 29 g and stated molar mass 116 g/mol. Find its amount. Round to 3 decimal places if needed. Answer in mol.

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