Calculate the Concentration of Malonate Ion (C₃H₂O₄^2-) in a 0

question 48

Multiple Choice

Calculate the concentration of malonate ion (C₃H₂O₄^2-) in a 0.200 M solution of malonic acid (C₃H₄O₄) . (For malonic acid, K_a1 = 1.4 × 10^-3, K_a2 = 2.0 × 10^-6.)

• A) 2.8 × 10^{-4 M}
• B) 0.016 M
• C) 1.8 × 10^{-4 M}
• D) 1.4 × 10^{-3 M}
• E) 2.0 × 10^{-6 M}

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Definitions:

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The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Glucose

A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.

Carbon Dioxide

A colorless gas with a density about 60% higher than that of dry air, contributing to the greenhouse effect and global warming.

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An animal that feeds primarily on plants.