Pyetja
Njehsoni $\text{pH}$ e:
- $10^{-4}\text{ mol/l }\text{HCl}(\text{uj})$;
- $10^{-4}\text{ mol/l }\text{Ba(OH)}_2$;
- $1\text{ mol/l }\text{H}_2\text{X}(\text{uj})$, i cili është shpërbashkuar $50\%$;
- $0,01\text{ mol/l}$ acid propanoik ($K_a = 1,45 \times 10^{-5}\text{ mol/l}$);
- $1,0\text{ mol/l }\text{NH}_3(\text{uj})$. ($K_b = 1,7 \times 10^{-5}\text{ mol/l}$).
