Question

Determine the [OH-], pH, and pOH of a solution with a [H+] of 9.4 x 10^-7 M at 25 °C.

Determine the [H+] , pH, and pOH of a solution with an [OH-] of 2.4 x 10^-13 M at 25 °C.

Determine the [H+], [OH-] , and pOH of a solution with a pH of 3.73 at 25 °C.

Determine the [H+], [OH-] , and pH of a solution with a pOH of 4.25 at 25 °C.

Answer 1

1. pH: 6.0268721464

pOH: 7.9731278536

[H+]: 9.4E-07

[OH-]: 1.06382978723E-08

ACID.

2. pH: 1.38021124171

pOH: 12.6197887583

[H+]: 0.0416666666667

[OH-]: 2.4E-13

ACID.

3. pH: 3.73

pOH: 10.27

[H+]: 0.000186208713666

[OH-]: 5.3703179637E-11

ACID.

4. pH: 9.75

pOH: 4.25

[H+]: 1.77827941004E-10

[OH-]: 5.6234132519E-05

BASE