Question

The pH of a solution is measured as 8.3. What is the hydrogen ion concentration of the solution?

Answer 1

the logarithmic of the reciprocal of hydrogen - ion concentrate in grams atoms per litre

Answer 2

The statement of hydrogen ion concentration of the solution for pH of 8.3 is "5.0 × $10^{-9}$ M."

What is pH?

The pH of aqueous or other liquid solutions is a quantitative measure of their acidity or basicity. The negative logarithm of base 10 of hydrogen ion concentration is pH.

We know that

pH = - log 10 [$H^{+}$]

Given, pH = 8.3

Thus,

8.3 = - log 10 [$H^{+}$]

So,

[$H^{+}$] = Antilog of $10^{-8.3}$

[$H^{+}$] = 5.0 × $10^{-9}$ M

Thus, concentration of  $H^{+}$ 5.0 × $10^{-9}$ M

Hence the correct option is 5.0 × $10^{-9}$ M.

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