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:

Liver Enlargement

An increase in size of the liver due to various conditions like hepatitis, fatty liver disease, or cancer.

Esophageal Reflux

The backward flow of stomach acid into the esophagus, causing heartburn and potential damage.

Pyrosis

Another term for heartburn, a burning sensation in the chest caused by gastroesophageal reflux.

Acid Indigestion

A common condition of the stomach that results in a burning sensation or discomfort, often due to acidity or gastroesophageal reflux.