In chemistry, the pH

pH

of a solution is a measure of the acidity or alkalinity of a solution. Water has a pH

pH

of 7

7

and, in general, acids have a pH

pH

less than 7

7

and alkaline solutions have a pH

pH

greater than 7

7

. Find the pH

pH

of a solution with a hydronium ion concentration of 7.9×10−8

7.9

×

10

−

8

moles/liter. Round your answer to two decimal places, if necessary.