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conjugate acid/base pair and pH of solution

5.Which of the following does NOT represent a conjugate acid/base pair

A. HC2H3O2 / C2H3O2-
B. HCN / CN-
C. H3O+ / OH-
D. HCL / CL-
E. All are conjugate pairs

Justify your answer and explain why the incorrect ones are false
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7. Which of these 0.10 mol/L solutions has a pH 7.00 ?

A. CuBr2 (aq)
B. Na2CO3 (aq)
C. KCL (aq)
D. KCN (aq)
E. NH4NO3 (aq)

Justify your answer and explain why the incorrect ones are false

Solution Summary

It explains the concept of conjugate acid/base pair. It also find the solution which has a ph of 7.00.

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