Calculate the Mole Fraction of Phosphoric Acid (H₃PO₄)in a 38

question 15

Multiple Choice

Calculate the mole fraction of phosphoric acid (H₃PO₄) in a 38.5% (by mass) aqueous solution.

• A)0.103
• B)0.115
• C)0.206
• D)0.0516
• E)The density of the solution is needed to solve the problem.

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Definitions:

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Measure of the tendency of water to move across a selectively permeable membrane; visible as an increase in liquid on the side of the membrane with higher solute concentration.

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