TLC Analysis of o-Hydroxyacetophenone and p-Hydroxyacetophenone Stationary Phase: Mobile Phase: Visualization Method(s): distance distance chromatogram lane compound component moved solvent moved Rf TLC plate

Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .