What Is the Mass % of K₂SO₄ in an Aqueous

question 13

Multiple Choice

What is the mass % of K₂SO₄ in an aqueous solution that has a mole fraction of K₂SO₄, X = 0.350

• A) 80.9%
• B) 83.9%
• C) 85.9%
• D) 87.9%
• E) None of the above

Use percentages to find an original amount before a percentage increase.

Determine the percentage of one quantity relative to another.

Calculate the earnings or fees based on a combination of fixed amounts, per unit amounts, and percentages.

Calculate original prices before a mark-up or margin.

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