Question

two solutions have pH number 4 and 9 respectively which solution has more h + ion concentration​

Answer 1

Answer:

4 ph is the answer

Explanation:

beacause 9 ph it is basic and base oh - ion

4 ph it is acidic it gives h + ion

Answer 2

Answer:

The solution which has pH number 4 will have more $H^{+}$ ion concentration.

As we know that lesser the pH value, stronger the acid or more $H^{+}$ ion concentration