Please Circle A2 on your Free Response Sheet You titrate 40….

Please Circle A2 on your Free Response Sheet You titrate 40.0 mL of 0.39 M unknown Acid with 0.37 M NaOH.  The pH at half-equivalence was 4.05.  Use the graph paper provided to draw the titration curve for this unknown acid.    Make sure your graph is properly labeled and contains the following (show your work for each calculation): initial pH mL to half equivalence and pH at half-equivalence mL to equivalence and pH at equivalence pH 10 mL after equivalence

Which, if any of the following mixtures will result in a pre…

Which, if any of the following mixtures will result in a precipitate.  You might need to know that the Ksp for AgCN is 2.2 x 10-16 and that for PbI2 is 7.9 x 10-9.I.  a mixture that is 1.2 x 10-6 M AgNO3 and 2.4 x 10-10 M NaCNII.  a mixture that is 2.3 x 10-4 M Pb(ClO4)2 and 4.6 x 10-3 M KI