Which is the atomic number of an atom that forms an ion with 18 electrons and a charge of 2+?

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) .

Define dew point. i am writing this part to be able to ask the question

In pqr m< p=60 m< q= 30 and m