Question

Calculate the pH value for the hydronium-ion concentration given. Show all your work and include proper significant digits.

0.00125 mol/L
a) 2.90
b) 3.90
c) 4.90
d) 5.90

Answer 1

The pH value for the hydronium-ion concentration of 0.00125 mol/L is 2.90.

Step-by-step explanation:

The pH value of a solution can be calculated using the formula pH = -log[H3O+], where [H3O+] is the concentration of hydronium ions. To calculate the pH value for the given hydronium-ion concentration of 0.00125 mol/L, we substitute the value into the formula:

pH = -log(0.00125) = 2.90