Place the number of moles of the other. How to Calculate Mole Fraction Examples Explanation Shortcut Equation Practice Problems.   	  		  		  		  	Calculate Mole Fractions On Wet And Dry Basis Mole Fraction Wet And Dry Fractions 	   			 		 Calculate the mole fraction of solute and solvent in a 30 m solution of sodium chloride.  		  					  				 .  Solved Examples for Mole Fraction Formula. It contains the equations and formulas you need for this topic including notes. How to Calculate Mole Fraction. 			  					  				 Place the number of moles of the substance the molar fraction of which you want to calculate in the box ELEMENT WEIGHT. The mole fraction of. Well go over two different mole fraction examples. 			  					  				 To use this calculator you must enter the. Occasionally you may be asked to calculate the mole fraction of a solution which is the ratio of the number of moles of either solute or solvent in a solution to the total number. Calculate a percentage by mass of methyl alcoh...