One litre of a buffer solution containing 0.01 m nh4cℓ and 0.1 m nh4oh having pkb of 5 has ph of -
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Answer:- pH = 10
Solution:- The pH of the buffer is calculated using Handerson equation:
For the given buffer, the acid is ammonium chloride with concentration 0.01 M and the base is ammonium hydroxide with the concentration 0.1 M.
pKa is calculated from the given pKb as:
pKa = 14 - pKb
pKa = 14 - 5 = 9
Let's plug in the values in the equation:
pH = 9 + 1
pH = 10
So, the pH of the given buffer solution is 10.
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