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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 39 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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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Evvie72

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review


jojobee318

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Reply 3 on: Yesterday
Gracias!

 

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