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Author Question: A 1.00 L buffer solution is 0.250 mol L-1 in HF and 0.250 mol L-1 in LiF. Calculate the pH of the ... (Read 71 times)

ereecah

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Question 1

A 1.00 L buffer solution is 0.250 mol L-1 in HF and 0.250 mol L-1 in NaF. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 mol L-1 HCl. The Ka for HF is 3.5 × 10-4.
◦ 4.11
◦ 3.09
◦ 2.78
◦ 3.46
◦ 3.82

Question 2

A 1.00 L buffer solution is 0.250 mol L-1 in HF and 0.250 mol L-1 in LiF. Calculate the pH of the solution after the addition of 0.150 moles of solid LiOH. Assume no volume change upon the addition of the base. The Ka for HF is 3.5 × 10-4.
◦ 4.24
◦ 3.63
◦ 2.85
◦ 3.46
◦ 4.06


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Marked as best answer by ereecah on Nov 18, 2019

tuwy

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ereecah

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Reply 2 on: Nov 18, 2019
Gracias!


ricroger

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

 

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