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Salt of Strong Acid and Strong Bases

When 73 g o...

Question

When $73$ g of $H C l$ is added to $1 L$ of an acidic buffer, its pH changes from $3.4$ to $2.9$ . The buffer capacity of the buffer solution is:

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Solution

The correct option is D $4$
Buffer capacity $= \frac{N u m b e r o f m o l e s o f a c i d o r b a s e a d d e d t o a 1 L b u f f e r}{C h a n g e i n p H} = \frac{2}{3.4 - 2.9} = 4$

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When 73 g of HCl is added to 1 L of an acidic buffer, its pH changes from 3.4 to 2.9. The buffer capacity of the buffer solution is:

The correct option is D 4Buffer capacity =Numberofmolesofacidorbaseaddedtoa1LbufferChangeinpH=23.4−2.9=4

When $73$ g of $H C l$ is added to $1 L$ of an acidic buffer, its pH changes from $3.4$ to $2.9$ . The buffer capacity of the buffer solution is:

The correct option is D $4$
Buffer capacity $= \frac{N u m b e r o f m o l e s o f a c i d o r b a s e a d d e d t o a 1 L b u f f e r}{C h a n g e i n p H} = \frac{2}{3.4 - 2.9} = 4$