Question

How many moles of acetic acid can react with one mole of glucose

Answer 1

The maximum no of moles of acetic anhydride is five because glucose forms penta acetate with acetic anhydride this is formed by the reaction between five OH gps present in glucose with five moles of acetic anhydride actually this is an ester formation between OH gp of glucose and COOH gp of anhydride
hope it will help you

Answer 2

Five moles react forming glucose pentaacetate.