I need answer for this pls

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

How have the greenhouse gasses increased from the year 2000 to 2018