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Author Question: Given 100.0 mL of a buffer that is 0.50 M in HOCl and 0.74 M in NaOCl, what is the pH after 10.0 mL ... (Read 36 times)

Evvie72

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Question 1

For carbonic acid (H2CO3), Ka1 = 4.30 × 10–7 and Ka2 = 5.62 × 10–11. Calculate the pH of a 0.41 M solution of Na2CO3.

2.07
9.99
4.01
11.93
8.93

Question 2

Given 100.0 mL of a buffer that is 0.50 M in HOCl and 0.74 M in NaOCl, what is the pH after 10.0 mL of 1.0 M NaOH has been added? (Ka for HOCl = 3.5 10–8)

7.66
7.72
7.46
7.13
7.78


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Marked as best answer by Evvie72 on Mar 21, 2021

sierramartinez

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Evvie72

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Reply 2 on: Mar 21, 2021
Wow, this really help


Missbam101

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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