If 750 ML of a Certain Solution Contains 50

question 38

Multiple Choice

If 750. mL of a certain solution contains 50.0 g Na₂SO₄, the sodium ion concentration, [Na⁺], is

• A) 0.264 M
• B) 0.315 M
• C) 0.469 M
• D) 0.560 M
• E) 0.939 M

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Definitions:

Bicarbonate

A buffer component that regulates acid-base balance in the body, especially important in the bloodstream and digestive system.

Carbon Dioxide

An invisible, scentless gas generated from the combustion of carbon and organic substances, as well as through the process of breathing. It exists naturally in the atmosphere and is taken in by plants during the process of photosynthesis.

Lactic Acid

A chemical byproduct of anaerobic respiration, mostly known for causing muscle fatigue and soreness during intense physical activity.

Epiglottis

A thin, flexible structure that guards the entrance to the larynx, preventing food from entering the airway during swallowing.