Worksheet: Mole Fractions

In this worksheet, we will practice calculating the molar amount of each component in a solution or mixture as a fraction of the total number of moles.

Q1:

What is the mole fraction of H N O 3 in a concentrated solution of nitric acid (68.0% H N O 3 by mass)?

Q2:

What is the mole fraction of 0.710 kg of sodium carbonate, N a C O 2 3 , in 10.0 kg of water?

  • A0.0710
  • B0.295
  • C0.418
  • D0.0119
  • E0.120

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