Question

What is the pH of an aqueous solution with hydrogen ion concentration

equal to 3×10-⁵ mol L-¹. What is the concentration of hydroxyl ion in the

solution?​

Answer 1

Explanation:

The exponent of 10 is -3, which denoted that pH= -(-3) = 3.

...

7.6: The pH Scale.

Substance pH

stomach acid 1.7

lemon juice 2.2

vinegar 2.9

soda 3.0