Pls answer both of these questions plsss this is due in 4 minutes! Please..

If a || b and e || f, what is the value of y ?

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) .

Which other elements contain the same number of outer electrons as sodium