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The composition of an acidic buffer mixt...

The composition of an acidic buffer mixture made up of HA and NaA of total molarity `0.29` having `pH=4.4` and `K_(a)=1.8xx10^(-5)` in terms of concentration of salt and acid respectively is:

A

0.09 M and 0.20 M

B

0.20 M and 0.09

C

0.1 M and 0.19 M

D

0.19 M and 0.1 M

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The correct Answer is:
a
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