How to draw the titration curve of 25ml of 0.125m naoh with 0.0625m hcl?

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

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?