Sugar: g sugar x ___ mol sugar / g sugar x __ mol lemonade / ___ mol sugar x g lemonade / ___ mol lemonade = g lemonade Lemon juice: g lemon juice x ___ mol lemon juice / g lemon juice x __ mol lemonade / ___ mol lemon juice x g lemonade / ___ mol lemondade = g lemonade Theoretical yield ( limiting reactant) = g lemonade What ingredient is the limiting reactant: What 2 ingredients are in excess: , Determine the percent yield : actual yield g / Theoretical yield g g x 100 = % Determine how much is in excess of other 2 ingredients : g lemon juice x 1 mol lemon juice / ___ g lemon juice x mol / mol lemon juice x ___ g / ___ mol = g used up g lemon juice x 1 mol lemon juice / ___ g lemon juice x mol / mol lemon juice x ___ g / ___ mol = g used up 196.86 g − g sugar = g sugar left over 946.36 g − g water = g water left over