The conjugate base of H2PO4- is ________.
A) H3PO4
B) HPO4-2
C) PO4-3
D) H4PO4+
Correct Answer:
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A)sulfuric
B)hydrochloric
C)nitric
D)carbonic
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Q28: Which of the following qualifies as a
Q29: Which of the following does not qualify
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A) have a higher concentration
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A)
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