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Author Question: A 25.0 mL sample of 0.150 mol L-1 acetic acid is titrated with a 0.150 mol L-1 NaOH solution. What ... (Read 140 times)

khang

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Question 1

A 25.0 mL sample of 0.150 mol L-1 hydrofluoric acid is titrated with a 0.150 mol L-1 NaOH solution. What is the pH before any base is added? Hydrofluoric acid is monoprotic. The Ka of hydrofluoric acid is 3.5 × 10-4.
◦ 2.15
◦ 7.07 × 10-3
◦ 2.33 × 10-3
◦ 2.63
◦ 3.46

Question 2

A 25.0 mL sample of 0.150 mol L-1 acetic acid is titrated with a 0.150 mol L-1 NaOH solution. What is the pH after 26.0 mL of base is added? The Ka of acetic acid is 1.8 × 10-5.
◦ 7.00
◦ 11.47
◦ 4.74
◦ 2.54
◦ 10.18


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Marked as best answer by khang on Nov 18, 2019

brittanywood

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khang

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Reply 2 on: Nov 18, 2019
Excellent


ebonylittles

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Reply 3 on: Yesterday
Wow, this really help

 

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