You Have Three Sodium Carbonate Solutions on a Lab Table

question 21

Multiple Choice

You have three sodium carbonate solutions on a lab table in front of you. All of the solutions came from a 500.0-mL volumetric flask containing 3.00 M sodium carbonate. Solution 1 contains 100.0 mL of the 3.00 M solution.
Solution 2 contains 50.0 mL of the 3.00 M solution.
Solution 3 contains 10.0 mL of the 3.00 M solution.
What volume of water (in mL) must evaporate from Solution 1 in order to have a concentration of 4.48 M?

• A) 67.0 mL
• B) 49.3 mL
• C) 33.0 mL
• D) 14.9 mL
• E) 85.1 mL

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Definitions:

Minimum ATC

The lowest point on the Average Total Cost curve, indicating the most efficient scale of production for minimizing costs.

Monopolistic Competitors

Firms operating in a market structure characterized by a high number of sellers offering differentiated products.

Brand Name

A distinctive name identifying a product, service, or company, often acting as a signifier of quality and reliability.

Economic Profit

The profit a firm or individual makes after deducting both explicit and implicit costs.