Answer: According to the Henderson equation.
pH = pKa + log10([A-]/[HA])
Here [A-] is NH3
and [HA] is NH4+
Given [A-] = 0.2 M
[HA] = 0.4 M
Pka = 9.25
= 9.25 + log10(0.2/0.4)
= 9.25 + log10(0.5)
= 9.25 - 0.30
= 8.95
Need a fast expert's response?
and get a quick answer at the best price
for any assignment or question with DETAILED EXPLANATIONS!
Comments
Leave a comment