A solution is formed by mixing 0.1 M NH4Cl and 0.2 M NH3. What is the pH of the resulting solution? (Given: pKb of NH3 is 1.77 * 10 raise power-5)
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Answer:
Calculate the pH of a solution that is 0.1M
N
H
3
and 0.2M
N
H
4
C
l
. Kb (for
N
H
3
) =
1.8
x
10
−
5
.
Basic Buffer Solutions:
A buffer solution is a one that resists a change in its pH when small amounts of acid or a base are added. A basic buffer solution is a mixture of a weak base and its salt with a strong acid. The expression for calculation the pOH of a basic buffer solution is given by Henderson's equation:
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