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Author Question: A 25.0 mL sample of 0.150 mol L-1 aqueous hydrazoic acid is titrated with a 0.150 mol L-1 NaOH(aq) ... (Read 104 times)

tiffannnnyyyyyy

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Question 1

A 25.0 mL sample of 0.150 mol L-1 aqueous butanoic acid is titrated with a 0.150 mol L-1 NaOH(aq) solution. What is the pH before any base is added? Butanoic acid is monoprotic. The Ka of butanoic acid
is 1.5 × 10-5.
◦ 2.82
◦ 1.5 × 10-3
◦ 4.82
◦ 4.00
◦ 1.0 × 104

Question 2

A 25.0 mL sample of 0.150 mol L-1 aqueous hydrazoic acid is titrated with a 0.150 mol L-1 NaOH(aq) solution. What is the pH after 13.3 mL of base is added? The Ka of hydrazoic acid is 1.9 × 10-5.
◦ 4.45
◦ 1.34
◦ 3.03
◦ 4.78
◦ 4.66


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Marked as best answer by tiffannnnyyyyyy on Jul 8, 2021

xiaomengxian

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tiffannnnyyyyyy

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Reply 2 on: Jul 8, 2021
:D TYSM


diana chang

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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