oh and Poh

Question 1

how is ph calculated from the concentration of hydrogen ions?

Answer 1

• a ph is calculated using the formula ph = -log[h+].

Question 2

how is Poh calculated from the concentration of hydroxide ions?

Answer 2

• Poh is calculated using the formula Poh = -log[oh-].

Question 3

what is the relationship between pH and pOH in aqueous solutions?

Answer 3

• pH + pOH = 14 at 25*C.

Question 4

what is the pH of a neutral solution at 25*C.

Answer 4

• the pH of a neutral solution at 25*C is 7.