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Part B What is the pH after 0.150 mol of HCl is added to the buffer from...

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Chemistry

Part B

What is the pH after 0.150 mol of HCl is added to the bufferfrom Part A? Assume no volume change on the addition of theacid.

Express the pH numerically to three decimal places.

Part A What is the pH of a buffer prepared by adding 0.809 molof the weak acid HA to 0.507 mol of NaA in 2.00 L of solution? Thedissociation constant K a of HA is 5.66× 10 −7 . Express the pHnumerically to three decimal places

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3.7 Ratings (410 Votes)
PART AFirst we need to calculate molar concentrations of weak acid its saltWe have HA No of moles of HA volume of solution inL HA 0809 mol 200 L 04045 M NaA 0507 mol 200 L 02535 MpH    See Answer
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