Weak base/ Strong acid titration curve question. 1) In the titration of .0400 M weak base...

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Chemistry

Weak base/ Strong acid titration curve question.

1) In the titration of .0400 M weak base B of 50 ml with .100 MHCl. What is the solution pH before any HCl is added?

2) In the titration of .0400 M weak base B of 50 ml with .100 MHCl. What is the solution pH after 10 ml HCl is added?

3) In the titration of .0400 M weak base B of 50 ml with .100 MHCl. What is the solution pH at the equivalence point? (20 ml, atthe equivalence point)

4) In the titration of .0400 M weak base B of 50 ml with .100 MHCl. What is the solution pH after 25 ml HCl is added?

*pKa of the conjugate acid of base is: 7.90

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