A Research Worker Has Only 300 G of a Valuable

question 67

Multiple Choice

A research worker has only 300 g of a valuable solvent and wishes to use all of it to make up a 10.0 mass percent solution of solute A. How many grams of A should be weighed out?

• A) 30.0 g
• B) 22.2 g
• C) 33.3 g
• D) 10.0 g
• E) cannot calculate without knowing molar masses

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Definitions:

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A learner who understands and remembers information best through direct involvement and physical activity rather than passive learning.

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A leadership style characterized by outgoing, socially confident, and assertive behaviors in managing and directing others.

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Someone who introduces new ideas or methods and thinks outside the traditional pathways.