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Which Solution Is a Buffer

Question 103

Multiple Choice

Which solution is a buffer?


A) a solution that is 0.200 M in H3PO4 and 0.200 M in HBr
B) a solution that is 0.200 M in H3PO4 and 0.200 M in Na2HPO4
C) a solution that is 0.200 M in H3PO4 and 0.200 M in NaBr
D) a solution that is 0.200 M in H2SO4 and 0.200 M in Na2SO4

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