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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 66 times)

cartlidgeashley

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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


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Marked as best answer by cartlidgeashley on Feb 15, 2020

tanna.moeller

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cartlidgeashley

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Reply 2 on: Feb 15, 2020
Gracias!


nguyenhoanhat

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Reply 3 on: Yesterday
:D TYSM

 

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