Interpretation:
The mole fraction of MgCl2 in the solutionis to be calculated.
Concept introduction:
Mole fraction: Mole fraction defined as the number of moles of one component divided by total the number of moles in the mixture.
The mole fraction for the solute (
Answer to Problem 85A
The mole fraction of MgCl2 in the solution is 0.125.
Explanation of Solution
Given information:
Mass of MgCl2 = 132.1 gm
Volume of water = 175 mL
Mass of water = 175 gm
Calculate the number of Moles of
(Note: Molecular weight of MgCl2 = 95.2 gm/mol)
(Note: Molecular weight of water = 18 gm/mol)
Calculate the number of Mole fractions of
The mole fraction of MgCl2 in the solution is 0.125.
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