Calculate the empirical formula of a compound that is 52.3% Cu, 21.4% Cr, and 26.3% O.

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

the atomic mass is the bottom number on the element.

-steel jelly