Question:
A solution contains 0.500 M HA (Ka = 1.0 10–8) and 0.432 M NaA. What is the [H+] after 0.10 mole of HCl is added to 1.00 L of this solution? A) 1.0 *10^–8 M B) 3.0 * 10^–8 M C) 5.5 * 10^21 M D) 1.8 * 10^–8 M E) none of these
Author: ChemistryAnswer:
ANS: D PTS: 1 DIF: Moderate REF: 15.2 KEY: Chemistry | general chemistry | acids and bases | solutions of a weak acid or base with another solute | buffer | adding an acid or base to a buffer
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Chemistry