A solution contains 3 moles of ethyl alcohol and 7 moles of water. The mole fraction of ethyl alcohol and water will be

  • (A) 0.7 and 0.3 respectively
  • (B) 0.3 and 0.7 respectively
  • (C) 0.6 and 0.4 respectively
  • (D) 0.2 and 0.8 respectively;
Correct Answer: B

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