Percent Concentration - Page 14

Questions
  • What is the theoretical percent water in the hydrate MgSO47H2O?
  • What do we mean by the term #"mole fraction"#, with respect to a solution?
  • What is the percentage concentration by mass of a #12*mol*L^-1# solution of #HCl(aq)#, for which #"density"=1.18*g*mL^-1#?
  • Commercially prepared HCL is 38% by mass . Density is 1.19g cm^-3.calculate the morality of HCl solution and morality and mole fraction of HCL in the solution . Given (at wt. Of Cl = 35.5,H =1)?
  • How does dichromate ion oxidize ethyl alcohol?