Molecular Formula Notes Check

Question

Consider:

Acetylene, a gas used in welding torches, has the empirical formula of CH and a molar mass of 26.04 g/mol. 

The FORMULA MASS of the empirical formula is ____ g/mol.

Answer 1

Since the empirical formula is CH the formula mass = 12 + 1 = 13 g/mol (you can recalculate with as many decimals as you care to use)