6. potassium hydrogen phthalate (khp, khc8h4o4) is also a good primary standard. 20 ml of naoh was titrated with 0.600 m khc8h4o4 solution. the data was graphed and the equivalence point was found when 15.5 ml of the standard 0.600 m khp solution was added. the reaction equation is: a. what is the molar ratio of naoh: khc8h4o4? b. what is the molarity of the naoh solution?

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Answer is: the equilibrium  shifts toward the reactants, to the left side of chemical reaction.it is because lead(ii) nitrate dissociates in water: pb(no₃)₂ → pb²⁺(aq) + 2no₃⁻(aq).according to lechatelier's principle, the position of equilibrium moves to counteract thechange (more lead cations, common ion), the position of equilibrium will move so that the concentration ofproducts decrease and concentration of reactants of chemical reaction increase.read more on -