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Class-12-science»Chemistry
Mole fraction of a species A = moles of A/ total number of moles in solution. Let the moles of methanol be 1
Moles of water will also be 1 (as given same number of moles of H2O and methanol)
Total number of moles in solution = 1 + 1= 2Mole fraction of methanol = moles of methanol / total number of moles in solution = 1 /2
02. What will be the mole fraction of water in methanol solution containing equal number of moles of water and methanol.
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Mole fraction of methanol in its aqueous solution is 0.5. the concentration of solution in terms of percent by mass of methanol is :A 36B 50 C 64D 72
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