Question

0 .005mol/L H2SO4溶液的pH值

Answer 1

PH== -logC(H+)

C(H+)==2C(H2SO4)==2*0.005=0.01mol/L

PH== -log(0.01)=2

pH=12 C(H+)=10-12mol/L -12次幂

C(OH-)==10-14/C(H+)=10-2(mol/L) -14 -2次幂