A weak acid has K_a = 1.00 × 10^-3.If [HA] = 1.00 M what must be [A^-] for the pH to be 2.7? A)0.50 M B)2.0 M C)2.7 M D)0.37 M E)0.75 M

Name: A weak acid has K a = 1.00 × 10 -3 .If [HA] = 1.00 M what must be [A - ] for the pH to be 2.7? A)0.50 M B)2.0 M C)2.7 M D)0.37 M E)0.75 M
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The Answer of A weak acid has K_a = 1.00 × 10^-3.If [HA] = 1.00 M what must be [A^-] for the pH to be 2.7? A)0.50 M B)2.0 M C)2.7 M D)0.37 M E)0.75 M

A Weak Acid Has Ka = 1

A Weak Acid Has K_a = 1