What Is the Value of K_a for the Methylammonium Ion

question 25

Multiple Choice

What is the value of K_a for the methylammonium ion, CH₃NH₃⁺? K_b(CH₃NH₂) = 4.4 *10¯⁴

• A) 4.4 * 10¯⁴
• B) 4.8 * 10¯⁶
• C) 4.4 * 10¯¹⁰
• D) 2.3 * 10¯¹¹
• E) 4.4 * 10¯¹⁸

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Average Rate of Return

A measure of the profitability of an investment, calculated by dividing the average annual profit by the initial investment cost.

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