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A binary solution contains 92 g ethyl alcohol and 72 g water. (Atomic weight of C = 12, H =1, O…

Chemistry20222 marksShort answer
A binary solution contains 92 g ethyl alcohol and 72 g water. (Atomic weight of C = 12, H =1, O =16)
(i)
Mole fraction of ethyl alcohol is:
  • (a)0.40
  • (b)0.80
  • (c)0.66
  • (d)0.33
(ii)
Mole fraction of water is:
  • (a)0.33
  • (b)0.66
  • (c)0.20
  • (d)0.80

Answer

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Solutions

From ISC 2022 Specimen Chemistry Paper 1, question 44.