Answered: A buffer system consists of A. a weak…

A buffer system consists of A. a weak acid and its conjugate base. B. a weak acid and a proton donor. C. a weak acid and a proton. D. a weak base and a proton acceptor.

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter2: Molecules Of Life

Section: Chapter Questions

Problem 6SQ: When dissolved in water, a(n) _____ donates H+ and a(n) ______ accepts H+. a. acid; base b. base;...

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Question

A buffer system consists of

A. a weak acid and its conjugate base.

B. a weak acid and a proton donor.

C. a weak acid and a proton.

D. a weak base and a proton acceptor.

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Which of the following is FALSE when the concentration of the buffer solution was increased? a. The buffer will be effective in resisting pH changes. b. There will be more weak acid components that can neutralize the added base. c. The solution will have a higher buffer capacity. d. There will be more weak base components that can neutralize the added base.
Which of the following describes a buffer? A. The measure of the amount of hydrogen ions in a liquid B. A set of chemicals that can keep the pH of a solution stable by alternately donating and accepting the ions that contribute to pH C. A substance that releases hydrogen ions in water D. A substance that accepts hydrogen ions in water
which of the following is a characteristic of a buffer? a. The pH will go down significantly when H3O+ is added to the buffer b. The pH will go down very slightly when H3O+ is added to the buffer c. The pH will go up significantly when H3O+ is added to the buffer
Which of the following would be most effective as a buffer? A. pure water B. a mixture of molecules that are bonded to each other with hydrogen bonds C. a mixture of unbonded atoms D. a mixture of molecules with ionic bonds that will break apart into ions E. a mixture of nonpolar molecules
Explain how buffers function and describe their importance in biological systems.
In your own words, explain the Mechanism of Buffer Action.
When dissolved in water, a(n) _____ donates H+ and a(n) ______ accepts H+. a. acid; base b. base; acid c. buffer; solute d. base; buffer
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When dissolved in water, a(n) ________ donates H+;a(n) ________ accepts H+.a. acid; base c. buffer; soluteb. base; acid d. base; buffer
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