Question

Tolong dijawab yaa soal nomor 25..
trimakasih

Answer 1

Gr = 3,7gr
Mr= 74
V=1L

M=3,7/74.1
M=0,05

[OH-] = M.a
[OH-] = 0,05.2
[OH-] = 0,1

pOH= -log[OH-]
pOH= -log 0,1
pOH= 1-log1

pH= 14-(1-log1)
pH=13+log1