The 4.0 pH containing solution, concentration of [H^+]is increased 5 times then what is the pH of resulting solution ?

The 4.0 pH containing solution, concentration of [H^+]is increased 5 t

1.	The 4.0 pH containing solution, concentration of [H^+]is increased 5 times then what is the pH of resulting solution ?
Answer» `5.0` `3.3` `4.5` `2.5` ANSWER :B