[OH) is 5.62x10-9 56.2x10-9 1.78 x10-6 17.8 X10-9 If the above solution is added with another solution of concentration 0.00073 M. What is the pH of the second solution? 2 5 3​

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88