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A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1118 M solution...

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Chemistry

A 35.00 mL solution of 0.2500 M HF is titrated with astandardized 0.1118 M solution of NaOH at 25 degrees C.

a.) What is the pH of the HF solution before titrant isadded?

b.) How many mL of titrant are required to reach the equivalencepoint?

c.) What is the pH of 0.50 mL before the equivalence point?

d.) What is the pH at the equivalence point?

e.) What is the pH at 0.50 mL after the equivalence point?

Answer & Explanation Solved by verified expert
4.3 Ratings (494 Votes)
a What is the pH of the HF solution before titrant is added HF H F 025 0 0 initial 025x x x equilibrium Ka x2 025x 63 x 104 x2 025x x2 63 x 104 x 158 x 104 0 x 00122 x H 00122 M pH    See Answer
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