# What is the molecular formula of a compound if its empirical formula is #CFBrO# and its molar mass is 381.01 g/mol?

##### 1 Answer

#### Explanation:

Molar mass of compound (

Now you need to calculate the molar mass of

The molar mass of:

The molar mass of empirical formula, therefore (

In order to get the molecular formula of

divide molar mass of compound by molar mass of empirical formula, like this:

i.e. *
*Rounded to nearest whole number

Now, multiply the whole number by the Empirical Formula.

Like this

Therefore your molecular formula is