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A buffer solution, consisting of a weak acid and its conjugate salt is to be prepared with a pH value of 4.60. Which of the acids would be best to use in making the buffer? HD (Ka = 1.0 x 106) Н (Ка 3 1.0х 104) HA (Ka = 1.0 x 103) HС (Ка - 1.0 х 105) A weak base B (FM = 121.14 g/mol) has Kp = 1.2 x 106. What is the mass of B that must be taken with 100.0 mL of 0.50 M HCl to prepare 1.00 L buffer with a pH of 7.40. O 6.1 g O 7.3 g O 3.5 g O 7.0 g

A buffer solution, consisting of a weak acid and its conjugate salt is to be prepared with a pH value of 4.60. Which of the acids would be best to use in making the buffer? HD (Ka = 1.0 x 106) Н (Ка 3 1.0х 104) HA (Ka = 1.0 x 103) HС (Ка - 1.0 х 105) A weak base B (FM = 121.14 g/mol) has Kp = 1.2 x 106. What is the mass of B that must be taken with 100.0 mL of 0.50 M HCl to prepare 1.00 L buffer with a pH of 7.40. O 6.1 g O 7.3 g O 3.5 g O 7.0 g

Chemistry
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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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A buffer solution, consisting of a weak acid and its conjugate salt is to be prepared with a pH value of 4.60. Which of the acids would be best to use in making the buffer? HD (Ka = 1.0 x 10“) НВ (Ка 3D 1.0 х 10-4) НА (Ка %3D 1.0 х 103) H (Ка 3 1.0х 105) A weak base B (FM = 121.14 g/mol) has Kp = 1.2 x 106. What is the mass of B that must be taken with 100.0 mL of 0.50 M HCl to prepare 1.00 L buffer with a pH of 7.40. O 6.1 g O 7.3 g O 3.5 g O 7.0 g
Transcribed Image Text:A buffer solution, consisting of a weak acid and its conjugate salt is to be prepared with a pH value of 4.60. Which of the acids would be best to use in making the buffer? HD (Ka = 1.0 x 10“) НВ (Ка 3D 1.0 х 10-4) НА (Ка %3D 1.0 х 103) H (Ка 3 1.0х 105) A weak base B (FM = 121.14 g/mol) has Kp = 1.2 x 106. What is the mass of B that must be taken with 100.0 mL of 0.50 M HCl to prepare 1.00 L buffer with a pH of 7.40. O 6.1 g O 7.3 g O 3.5 g O 7.0 g
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