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Author Question: You have a 250.0-mL sample of 1.00 M acetic acid (Ka = 1.8 105). Calculate the pH after adding ... (Read 155 times)

Chelseaamend

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on: Mar 21, 2021

Question 1

You have a 250.-mL sample of 1.450 M acetic acid (Ka = 1.8 × 10–5). Assuming no volume change, how much NaOH must be added to make the best buffer?

◦ 7.25 g
◦ 14.5 g
◦ 17.3 g
◦ 22.3 g
◦ None of these are correct.

Question 2

You have a 250.0-mL sample of 1.00 M acetic acid (Ka = 1.8 × 10–5). Calculate the pH after adding 0.0040 mol HCl to 1.0 liter of the best buffer solution.

◦ 4.72
◦ 2.35
◦ 3.12
◦ 6.98
◦ None of these are correct.
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Marked as best answer by Chelseaamend on Mar 21, 2021

underwood14

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Reply #1 on: Mar 21, 2021
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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Ye boi

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Reply #2 on: Nov 3, 2021
TY! :)


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