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A buffer solution made with NH3 and NH4C...

A buffer solution made with `NH_3` and `NH_4Cl` has a pH of 10.0 which procedure could be used to lower the pH ?
1.Adding HCl , 2.Adding `NH_3` , 3. Adding `NH_4Cl`

A

1 only

B

2 only

C

1 and 3 only

D

2 and 3 only

Text Solution

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The correct Answer is:
c
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