Predict the expected pH (7, =7) at the endpoints(s) = equivalence point(s) of ea

Question

Predict the expected pH (7, =7) at the endpoints(s) = equivalence point(s) of each of the three titrations. Titration of a monoprotic Strong Acid, HCl, with a Strong Base, NaOH What salt is present at the endpoint? Considering whether this salt is acidic, basic or neutral, what is the predicted pH at the endpoint? (circle one): 7 can't be determined without more info Titration of a monoprotic Weak Acid, KHP, with a Strong Base, NaOH What is the predicted pH at the endpoint? (circle one): 7 can't be determined without more info Titration of a Weak Diprotic Acid, Maleic Acid, with a Strong Base, NaOH What salt is present at the 1^st equivalence point? Considering whether this salt is acidic, basic or neutral, what is the predicted pH at the 1^st equiv, pt (circle one): 7 can't be determined without more info What salt is present at the 2^nd equivalence point? Considering whether this salt is acidic, basic or neutral, what is the predicted pH at the 2^nd equiv, pt (circle one): 7 can't be determined without more info

Explanation / Answer

1. predict pH

a. Titration of monoprotic strong acid with strong base,

Salt at the end = NaCl

Predicted pH at endpoint : (b) 7

b. Titration of KHP with NaOH

Predicted pH at endpoint : (c) > 7

c. Titration of maleic acid with NaOH

Salt at Ist Eq point = NaHC4H2O4

Predicted pH at Ist Eq point : (a) < 7

Salt at IInd Eq point = Na2C4H2O4

Predicted pH at IInd Eq point : (a) > 7

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