Glass Electrodes and pH Measurements

14. Electrodes and Potentiometry / Glass Electrodes and pH Measurements / Problem 2

Problem 2

At 40 degrees Celsius, the ionization constant of water (K_w) is 2.92 x 10^-14. What is the pH of a neutral solution at this temperature?

7.00

7.23

6.50

6.77

At 40 degrees Celsius, the ionization constant of water (Kw) is 2.92 x 10-14. What is the pH of a neutral solution at this temperature?