Question

A compound has empirical formula of CHO2 and its molar mass is 90. Deduce the molecular formula of the compound (c=12,o=16)

Answer 1

Answer:

Molecular formula =n*empirical formula

Explanation:

n=molecular mass/empirical formula mass

n=90/45=2

Molecular formula = 2*(CHO2)

=C2H2O4