Question

pH value of a solution is 4. What is concentration of H+ ion and OH- ions?​

Answer 1

Answer:

• pH value of a solution is 4

• That is a hydrogen-ion concentration that is 1000 times higher than the concentration in pure water. The pH of such a solution is 4.00, a difference of just 3 pH units. Notice that when the [H + ] is written in scientific notation and the coefficient is 1, the pH is simply the exponent with the sign changed.

• What is concentration of H+ ion and OH- ions?

• Thus, in a neutral solution the hydrogen ion (H+) and the hydroxyl ion (OH−) concentrations are equal, and each is equal to 10−7. A pH of 7 is neutral. A decrease in pH below 7 shows an increase in acidity (hydrogen ions), while an increase in pH above 7 shows an increase in alkalinity (hydroxyl ions).

Explanation:

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