Question

Silicon forms a compound with chlorine in which 5.6 grams of silicon with 21.3 grams of chlorine.Calculate the emperical formula.

Answer 1

Find the number of moles of silicon and chlorine.

Then write the mole ratio of silicon to chlorine, and express it in lowest whole number terms.

That whole number ratio will be the number of silicon and chlorine atoms in the empitrical formula.