(9分)写出相对应的离子反应方程式或化学方程式:①NaOH+NH4Cl==NaCl+NH3·H2O ___________________________________________②(石灰乳)Ca(OH)2+H2SO4==CaSO4↓+2H2O_____________________________③CO32-+2H+==CO2↑+H2O__________________________________________________;