A sample of substance x that has a mass of 326.0 g releases 4325.8 cal when it freezes at its

A sample of substance x that has a mass of 326.0 g releases 4325.8 cal when it freezes at its freezing point. if substance x has a molar mass of 58.45 g/mol, what is the molar heat of fusion for substance x? use q equals n delta h 13.31 cal/mol 74.00 cal/mol 775.6 cal/mol 19054.7 cal/mol