Is RnF2 polar? I can't tell because it is linear but it seems to have 3 lone pairs?

Label a-f based on the table using c for concentrated and d for dilute

Classify this reaction: 2al+n2-> aln.

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .