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C. -Y.8 253ND 8.5 TY +x 10-10 99 10-2 10 10Y 01O La 4. Formic acid, HFor, has a K value equal to about 1.8 x 104. A student is asked to prepare a buffer having a pH of 3.90 from a solution of formic acid and a solution of sodium formate having the same molarity. How many milliliters of the NaFor solution should she add to 20. mL of the HFor solution to make the buffer? (See discussion of buffers.)a 1.ID a04(10)37Y CHY J MyZ0) (NaFor ) Vr20) а ttachn All 5. How many mL of 0.10 M NaOH should the student add to 20 mL 0.10 M HFor if she wished to prepare mL a buffer with a pH of 3.90, the same as in Problem 4? mL 41

C. -Y.8 253ND 8.5 TY +x 10-10 99 10-2 10 10Y 01O La 4. Formic acid, HFor, has a K value equal to about 1.8 x 104. A student is asked to prepare a buffer having a pH of 3.90 from a solution of formic acid and a solution of sodium formate having the same molarity. How many milliliters of the NaFor solution should she add to 20. mL of the HFor solution to make the buffer? (See discussion of buffers.)a 1.ID a04(10)37Y CHY J MyZ0) (NaFor ) Vr20) а ttachn All 5. How many mL of 0.10 M NaOH should the student add to 20 mL 0.10 M HFor if she wished to prepare mL a buffer with a pH of 3.90, the same as in Problem 4? mL 41

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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I need assistance with getting to the answer of question 5, please. See attached image. Thank you!

C. -Y.8 253ND 8.5 TY +x 10-10 99 10-2 10 10Y 01O La 4. Formic acid, HFor, has a K value equal to about 1.8 x 104. A student is asked to prepare a buffer having a pH of 3.90 from a solution of formic acid and a solution of sodium formate having the same molarity. How many milliliters of the NaFor solution should she add to 20. mL of the HFor solution to make the buffer? (See discussion of buffers.)a 1.ID a04(10)37Y CHY J MyZ0) (NaFor ) Vr20) а ttachn All 5. How many mL of 0.10 M NaOH should the student add to 20 mL 0.10 M HFor if she wished to prepare mL a buffer with a pH of 3.90, the same as in Problem 4? mL 41
Transcribed Image Text:C. -Y.8 253ND 8.5 TY +x 10-10 99 10-2 10 10Y 01O La 4. Formic acid, HFor, has a K value equal to about 1.8 x 104. A student is asked to prepare a buffer having a pH of 3.90 from a solution of formic acid and a solution of sodium formate having the same molarity. How many milliliters of the NaFor solution should she add to 20. mL of the HFor solution to make the buffer? (See discussion of buffers.)a 1.ID a04(10)37Y CHY J MyZ0) (NaFor ) Vr20) а ttachn All 5. How many mL of 0.10 M NaOH should the student add to 20 mL 0.10 M HFor if she wished to prepare mL a buffer with a pH of 3.90, the same as in Problem 4? mL 41
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