The hydrogen ion concentration of the oceans is about `2xx10^(-9)` M. What is the pH?

The hydroxide ion concentration of a wine is 8xx10^(-11) M. What is the pH of the wine?

The hydronium ion concentration of a solution is 1.3 xx 10^(-5)M . Find out its pH value. Predict the nature of the solution.

The hydrogen ion concentration of a solution is 3.98 xx 10 ^( - 6 ) mole per liter. The pH value of this solution will be

A solution is saturated with respect to SrF_(2) K_(sp) = 7.9 xx 10^(-10) and SrCO_(3), K_(sp) = 7.0 xx 10^(-10) . If the fluoride ion concentration is found to be 4.0 xx 10^(-2)M . What is the concentration of carbonates ions.