Calculate pH of a resultant solution of 0.1 M HA `(K_(a)=10^(-6))` and 0.45 M HB `(K_(a)=2xx10^(-6))` at `25^(@)C.`

Calculate pH of a buffer solution that contains 0.1M NH_(4)OH(K_(b)=10^(-5)) and 0.1 M NH_(4)Cl.

Calculate the pH of 0.005 M NaOH solution.

Calculate pOH of 0.1 M aq. Solution of weak base BOH (K_(b)=10^(-7)) at 25^(@)C.

Calclate pH of a resultant solution of 25 mL of 0.1 M HCl, 50 mL of 0.02 M HNO_(3) and 25 mL of 0.1M NaOH

The [H^(+)] of a resulting solution that is 0.01 M acetic acid (K_(a)=1.8xx10^(-5)) and 0.01 M in benzoic acid (K_(a)=6.3xx10^(-5)) :

Calculate the ratio of [HXOO^(-)] and [F^(-)] in a mixture of 0.2 M HCOOH (K_(a)=2xx10^(-4)) and 0.1 M HF (K_(a)=6.6xx10^(-4)) :

What is the pH of a saturated solution of Cu(OH)_(2) ? (K_(sp)=2.6xx10^(-19)

What concentration of HCOO^(-) is present in a solution of weak of 0.01 M HCOOH (K_(a)=1.8xx10^(-4) and 0.01 M HCl?

What is the precent dissociation (alpha) of a 0.01 M HA solution? (K_(a)=10^(-4))

What concentration of FCH_(2)COOH (K_(a)=2.6xx10^(-3)) is needed so that [H^(+)] =2xx10^(-3) ?