Tolong kerjakan .......

Garam NH4Cl mrp garam hidrolisis yg larutannya bersifat asam.
[NH4Cl] = massa/Mr x 1000/mL
= (5,35/53,5) (1000/500)
= 0,2 molar
[H+] = √(Kw/Kb)[NH4Cl]
= √(10^-14/10^-5) (0,2) = √(2x10^-10)
= (2^0,5) x 10^-5
pH = - log (2^0,5) x 10^-5
= 5 - 0,5 log 2