Help me find out which reaction is balanced

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x. xx ml

Iwill give extra points to who gets this right

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc