A swimming pool is 60 feet long and 25 feet wide and has an average depth of 5 feet. If the pool is full how much does the water in the pool weigh? Give me a measurement in kilograms and pounds

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?