Calculate the pOH of a 7.68x10-7 M HCl solution.

pOH = (round to 3 sig figs)

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

How many grams of aluminum will there be in 98g of al2o3?

Air can be considered a mixture. which statement does not explain why?