How many grams of glucose must be added to 275 g of water in order to prepare a 31.0% aqueous glucose solution?

Name: How many grams of glucose must be added to 275 g of water in order to prepare a 31.0% aqueous glucose solution?
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Question

Quizplus · Accepted Answer

To find the mass of glucose needed, use the formula for percent concentration by mass: (mass of solute / (mass of solute + mass of solvent)) * 100 = 31%. Let x be the mass of glucose. Then, (x / (x + 275)) * 100 = 31. Solving for x gives approximately 124 g.

How Many Grams of Glucose Must Be Added to 275