need help with all please!!!

The coricct K6 expression for the discolveng of sod un cebonate, Na2CO2 in water is Kw={Na1+1CO32+Kg=.21Na1+ICCOa27Ki=Na1+HC++i2o2]3kso=Na11qiCO22 Question 42 (1 poins) What is the equilibrimi constant expretion for this raction? K=[PCH2itg][FCl20[Cr20]K=[PCl3(i)][Cl2(s)]K=[Cl2(s)] Question 43 (1 point) If the pht of a solution is 5:31. then the pOre of the selution is 5.314.698.695.31 Question 44 (1 point) When solid lead taif sulfare is in equalibium with is ions, the raje of lead fan ions to sulfate ions is Question 45 (1 point) The equilibrium systom shown below was a alyeed and the concontrations of H2 in: equibrium constant muat be which of the following? Question 45 (t point) The ceuilibrium syster showri below was aralyred and the corcortrabions of H2 i I2iel and HIid were found, in molts to be 4,2,38 and 1.6 respectively the equilibriam corstant must be which of the following? H2(e)+I2(g)=2HI(s)+65kJ 14 0.16 0.10 28 2.3 Question 46 ( 1 point) If the equilibrium shown belaw is heated at a cientant premure what is most bitly to happen? H2(p)+I2(s)HI(k)+65kJ K Bets larecr Kgetssmaller [H2 l eets smaller both ba) and (c) both (b) and (c) Question 47 ( 1 point) If the K2 of a weak acid is 1.6301, the Kb of its canugere base parinor cuat be which of the following? 6.206.81076.31077.80101014 Question 48 (1 point +sen( What is the pH of a 0.032 malt sot rich of FinOH Sal, a strong buse? \begin{tabular}{|l|} \hline 851 \\ \hline 1.49 \\ \hline 11.51 \\ 12.51 \\ \hline \end{tabular} Unit 5 Redox Reactions Question 40 12 gonit) The sum of the oxidation autes of at the zeoms in a complex iort is shays coer to. the toal number of valunce dectrons in the ion