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In the study of biochemical processes, a common buffering agent is the weak base trishydroxymethylaminomethane, (HOCH₂)3 CNH2, often abbreviated as Tris. At 25 °C, Tris has a PKL of 5.91. The hydrochloride of Tris is (HOCH₂)3 CNH3C1, which can be abbreviated as TrisHCI. Part A What volume of 10.0 mol L-¹ NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCI? Express your answer in millilitres to two significant figures. ▸ View Available Hint(s) 10 Π| ΑΣΦ Submit 3 Previous Answers → O Part B Complete previous part(s) Part C Complete previous part(s) < Return to Assignment X Incorrect; Try Again; 4 attempts remaining ? Provide Feedback mL

In the study of biochemical processes, a common buffering agent is the weak base trishydroxymethylaminomethane, (HOCH₂)3 CNH2, often abbreviated as Tris. At 25 °C, Tris has a PKL of 5.91. The hydrochloride of Tris is (HOCH₂)3 CNH3C1, which can be abbreviated as TrisHCI. Part A What volume of 10.0 mol L-¹ NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCI? Express your answer in millilitres to two significant figures. ▸ View Available Hint(s) 10 Π| ΑΣΦ Submit 3 Previous Answers → O Part B Complete previous part(s) Part C Complete previous part(s) < Return to Assignment X Incorrect; Try Again; 4 attempts remaining ? Provide Feedback mL

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
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In the study of biochemical processes, a common buffering agent is the weak base trishydroxymethylaminomethane, (HOCH₂)3 CNH2, often abbreviated as Tris. At 25 °C, Tris has a PK₁ of 5.91. The hydrochloride of Tris is (HOCH₂)3 CNH3C1, which can be abbreviated as TrisHCl. Part A What volume of 10.0 mol L-¹ NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCI? Express your answer in millilitres to two significant figures. ► View Available Hint(s) 0 [-] ΑΣΦ 10 Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part B Complete previous part(s) Part C Complete previous part(s) < Return to Assignment Provide Feedback mL
Transcribed Image Text:In the study of biochemical processes, a common buffering agent is the weak base trishydroxymethylaminomethane, (HOCH₂)3 CNH2, often abbreviated as Tris. At 25 °C, Tris has a PK₁ of 5.91. The hydrochloride of Tris is (HOCH₂)3 CNH3C1, which can be abbreviated as TrisHCl. Part A What volume of 10.0 mol L-¹ NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCI? Express your answer in millilitres to two significant figures. ► View Available Hint(s) 0 [-] ΑΣΦ 10 Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part B Complete previous part(s) Part C Complete previous part(s) < Return to Assignment Provide Feedback mL
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