Given a binary compound composed of potassium and oxygen, compare the number of potassium atoms to oxygen atoms?

1 Answer
Aug 12, 2017

The common reagent is #"potassium oxide"#, #K_2O#.....

Explanation:

But there is also so-called #"potassium superoxide"#, #K^(+)O_2^(-)#. So you supply the ratios.