Mole fraction of a 1.222 M solution with density 1.3250 g/mL

[sophief]

Homework Statement

can anyone help me with this problem...i can't seem to figure it out:

A 1.222 M solution of a compound in water has a density of 1.3250g/mol at 20 degrees Celsius. what is the mole fraction of this solution? the compound has a molar mass of 97.80g/mol.

Homework Equations

The Attempt at a Solution

 

[Moonbear]

What attempts have you made so far?