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Author Question: A 50.00-mL sample of a 1.00 M solution of the diprotic acid H2A (Ka1 = 1.0 106 and Ka2 = 1.0 1010) ... (Read 36 times)

amal

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Question 1

A 50.00-mL sample of 0.100 M KOH is titrated with 0.171 M HNO3. Calculate the pH of the solution after 52.00 mL of HNO3 is added.

12.58
1.06
1.42
12.94
None of these are correct.

Question 2

A 50.00-mL sample of a 1.00 M solution of the diprotic acid H2A (Ka1 = 1.0 × 10–6 and Ka2 = 1.0 × 10–10) is titrated with 2.00 M NaOH. How many mL of 2.00 M NaOH must be added to reach a pH of 10?

0 mL
12.5 mL
25.0 mL
37.5 mL
None of these are correct.


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Marked as best answer by amal on Mar 21, 2021

vish98

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amal

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Reply 2 on: Mar 21, 2021
Gracias!


lindahyatt42

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Reply 3 on: Yesterday
:D TYSM

 

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