What Is the Value of K_b for the Formate Anion

question 17

Multiple Choice

What is the value of K_b for the formate anion, HCOO¯? K_a(HCOOH) = 2.1 * 10¯⁴

• A) -2.1 * 10¯⁴
• B) 2.1 * 10¯⁴
• C) 6.9 * 10¯⁶
• D) 4.8 * 10¯¹¹
• E) 2.1 *10¯¹⁸