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Identifying Buffers

APCHEM-J8EMG8

Which of the following will NOT make a buffer?

A

105.0 mL of 0.15 M $CH_3NH_2$

95.0 mL of 0.10 M $HCl$

B

125.0 mL of 0.15 M $CH_3NH_2$

120.0 mL of 0.25 M $CH_3NH_3Cl$

C

165.0 mL of 0.10 M $HF$

135.0 mL of 0.050 M $KOH$

D

150.0 mL of 0.10 M $HClO$

135.0 mL of 0.075 M $HCl$