3 years ago

Issues guidelines for financial system operated by all commerical banks in India

Chemistry

1 answer:

timurjin [86]3 years ago

4 0

What exactly are you asking

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Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C 6H 5CO 2H) and 0.15M sodium benzoate (C

gtnhenbr [62]

Answer:

$pH=3.97$

Explanation:

Hello,

In this case, for the calculation of the pH of the given buffer we need to use the Henderson-Hasselbach equation:

$pH=pKa+log(\frac{[base]}{[acid]} )$

Whereas the pKa for benzoic acid is 4.19, the concentration of the base is 0.15 M (sodium benzoate) and the concentration of the acid is 0.25 M (benzoic acid), therefore, the pH turns out:

$pH=4.19+log(\frac{0.15M}{0.25M} )\\\\pH=3.97$

Regards.

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Issues guidelines for financial system operated by all commerical banks in India​

Issues guidelines for financial system operated by all commerical banks in India