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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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herreratiana herreratiana
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3 years ago
A weak acid has Ka = 4.2 × 10-3. If [A-] = 2.0 M, what must [HA] be so that [H+] = 2.1 × 10-3 M?

▸ 1.5 M

▸ 2.0 M

▸ 1.0 M

▸ 0.5 M

▸ 0.25 M
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
Authors:
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zahraa_arasoolzahraa_arasool
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