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Author Question: What volume of 0.100 M NaOH is needed to make 100.0 mL of a buffer solution with a pH of 6.00 if one ... (Read 39 times)

cartlidgeashley

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on: Feb 15, 2020

Question 1

What is the pH of a buffer solution made by mixing 50.0 mL of 0.100 M potassium hydrogen phthalate with 13.6 mL of 0.100 M NaOH and diluting the mixture to 100.0 mL with water? The Ka2 for hydrogen phthalate is 3.1 × 10-6.
◦ 5.08
◦ 5.94
◦ 3.25
◦ 5.51

Question 2

What volume of 0.100 M NaOH is needed to make 100.0 mL of a buffer solution with a pH of 6.00 if one starts with 50.0 mL of 0.100 M potassium hydrogen phthalate? The Ka2 for potassium hydrogen phthalate is 3.1 × 10-6.
◦ 30.2 mL
◦ 22.4 mL
◦ 27.6 mL
◦ 37.8 mL
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by cartlidgeashley on Feb 15, 2020

tanna.moeller

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Reply #1 on: Feb 15, 2020
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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cartlidgeashley

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Reply 2 on: Feb 15, 2020
Gracias!

helenmarkerine

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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