help please. 44.46.48

Questions 39 through 44: For each pair of reactants given, write the net ionic equation for the molecule-formation reaction that will occur. 39. NaNO2(aq)+HI(aq) 40. KNO2(aq)+HCl(aq) 41. KC3H5O3(aq)+HClO4(aq) 42. NaOH(aq)+HI(aq) 43. RbOH(aq)+HF(aq) 44. HC2H3O2(aq)+Ba(OH)2(aq) Section 9-9: Double-Replacement Reactions That Form Unstable Products Questions 45 through 48: For each pair of reactants given, write the net ionic equation for the reaction that will occur. 45. MgCO3(aq)+HCl(aq) 46. HCl(aq)+CaSO3(s) 47. Na2SO3(aq)+HClO3(aq) 48. (NH4)2SO4(aq)+NaOH(aq)