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A 88.0 mL sample of 0.0200 M HClO4 is titrated with 0.0400 M RbOH solution. Calculate...

A 88.0 mL sample of 0.0200 M HClO4 is titrated with 0.0400 M RbOH solution. Calculate the pH after the following volumes of base have been added.

(a) 18.5 mL pH =

(b) 43.1 mL pH =

(c) 44.0 mL pH =

(d) 45.8 mL pH =

(e) 84.0 mL pH =

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