Question

what is the formula unit mass how does it calculate calculate the formula unit mass of compound Na2S2O3 (Na=23,S=32,O=16

Answer 1

the formula unit mass of compound is defined as the sum of molecular Mass of the atom in a compound, Na2SO3= ( the 2 into molecular Mass of Na+ 2 into molecular Mass into S+3 into molecular Mass of oxygen), [2 into 23+2 into 32+3 into 16], [46+64+48], [158] Answer