Question
What is meant by buffer capacity? Calculate the buffer capacity of a solution, which is 0.10 M in formic acid and 0.10 M in sodium formate. (pKa of acetic acid = 3.74).
Answer :
Word Count : 261
Buffer capacity (β) is the amount of strong acid or base, expressed as moles per litre, required to change the pH of a solution by one unit; mathematically β = dn/dpH. In weak acid–conjugate base buffers, small additions of H⁺ or OH⁻ are consumed by the equilibrium HA ⇌ H⁺ + A⁻, __________ ___ ____ _____ ___ _____ _____ ___.
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Buffer capacity (β) is the amount of strong acid or base, expressed as moles per litre, required to change the pH of a solution by one unit; mathematically β = dn/dpH. In weak acid–conjugate base buffers, small additions of H⁺ or OH⁻ are consumed by the equilibrium HA ⇌ H⁺ + A⁻, __________ ___ ____ _____ ___ _____ _____ ___.
____ ______ ___ __________ _____ _________ ______ _____ ______ ______ ______ ___.
________ _____ ___ ___ ___ __________ ____ ____.
____ _____ ____ ________ ____ __________.
______ ___ ___ _________ _________ _______ _________ ________ _________ ___.
_______ _____ __________ _______ ___ __________ ________.
_____ ______ _________ ___ ______ __________.
_____ ____ __________ ______ __________ _________ _________ ___ ___ ____ ______.
___ _______ ___ _____ ________ ______ ________ ______ ______.
_________ _______ _______ __________ _____.
_________ ___ ______ _______ ___ _____ __________ _______.
__________ ______ ________ ___ _______ ____ ___.
____ ____ ___ ________ _________ _____ ________ ______.
____ ____ _____ ____ ____.
_______ _____ ___ ________ _________ ______ ____.
______ ______ _____ _______ _________ _____ _______ ________.
___ _______ _________ _______ _____ ___ ________ _______ __________.
___ ______ _____ ___ ____ ______ _____ _____ _____ ________ ____ ____.
______ ___ ___ _____ _________ ______ _______ ___ ____ _____ ____.
____ _______ _______ _________ ________ __________ _______ ____.
________ __________ ___ __________ ____ ________.
_________ ________ _______ _______ ____ _____ _____ _____ _____ _______.
______ _______ ______ ____ ____ __________ ____.
___ ________ __________ __________ _________ _________ _______ ________ __________.
________ ________ ____ ______ ____ ____ ________ _____ ____ __________.
____ ________.
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