What is the mole fraction of X in a solution made by dissolving 139 g of X in 245 g of Y? Molar mass of X=254 g/mol, Y=86 g/mol. Show formula and calculations with units. A 0.278 B 0.385 c) 0.161 D) 0.193

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What is the mole fraction of X in a solution made by dissolving 139 g of X in 245 g of Y? Molar
mass of X=254 g/mol, Y=86 g/mol. Show formula and calculations with units.
А
0.278
B
0.385
0.161
0.193
Transcribed Image Text:What is the mole fraction of X in a solution made by dissolving 139 g of X in 245 g of Y? Molar mass of X=254 g/mol, Y=86 g/mol. Show formula and calculations with units. А 0.278 B 0.385 0.161 0.193
Expert Solution
Introduction

Mole fraction

It is defined as number of molecules in a particular component divided by total number of moles present in the given mixture.

Mole fraction=moles of component/total moles in solution.

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