Answer to Question #183253 in General Chemistry for trhs

Question

Find the following based on the graph please help me, it is very hard to answer based on the graph

Find the following based on the graph

please help me, i'm having difficulty since the graph is unclear

This is just practice that I need help with

Find pH at HALF-WAY point

Volume at HALF-WAY point

pH at EQUIVALENCE POINT

Volume at EQUIVALENCE POINT

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Answer 1

At the half-equivalence point, pH = pKa when titrating a weak acid. After the equivalence point, the stoichiometric reaction has neutralized all the sample, and the pH depends on how much excess titrant has been added. After equivalence point, any excess strong base KOH determines the pH.