A chemistry graduate student is given 500. mL of a 0.70M propanoic acid (HC₂H,CO₂) solution. Propanoic acid is a weak acid with K=1.3 × 10. What mass of NaC₂H₂CO₂ should the student dissolve in the HC₂H5CO₂ solution to turn it into a buffer with pH = 4.52? You may assume that the volume of the solution doesn't change when the NaC₂H,CO₂ is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0

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A chemistry graduate student is given 500. mL of a 0.70M propanoic acid (HC₂H,CO₂) solution. Propanoic acid is a weak acid with K=1.3 × 10. What
mass of NaC₂H,CO₂ should the student dissolve in the HC₂H5CO₂ solution to turn it into a buffer with pH = 4.52?
You may assume that the volume of the solution doesn't change when the NaC₂H,CO₂ is dissolved in it. Be sure your answer has a unit symbol, and round it
to 2 significant digits.
0
Explanation
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Transcribed Image Text:A chemistry graduate student is given 500. mL of a 0.70M propanoic acid (HC₂H,CO₂) solution. Propanoic acid is a weak acid with K=1.3 × 10. What mass of NaC₂H,CO₂ should the student dissolve in the HC₂H5CO₂ solution to turn it into a buffer with pH = 4.52? You may assume that the volume of the solution doesn't change when the NaC₂H,CO₂ is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0 Explanation 83°F Mostly sunny A Check F4 $ X C % Ś F6 4 Q Search F7 & FB alc H F9 F10 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use F11 F12 PrtSc Insert Privacy Center | Accessi 4) Delete Backspace
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