Question #232433

What is the change in pH if 1.50mL of 1.00M HCl is added to the buffer solution? Is the buffer effective? Show your calculation.

Expert's answer

1.5 × 1 = 0.0015 moles

pH = 7 + log (1.5 × 10-3)

pH = 7 + -2.8

= 4.2


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