Question

2 moles of ethyl alcohol are present with 6 moles of water .The mole fraction of alcohol is

Answer 1

Answer:

              Mole fraction of a substance A is defined as the number of moles                         of the substance A divided by the total number of moles in the mixture.

According to the question, total number of moles of ethyl alcohol and water is 2+6=8. And number of moles of ethyl alcohol is 2. Therefore mole fraction of ethyl alcohol is 2÷8=0.25

Answer: 0.25

Answer 2

2 mole of ethyl alcohol are present with 6 mole of water. The mole fraction of alcohol is

answer is option is 0.25