What is the formality of a #1.24g# mass of #"copper sulfate pentahydrate"# in a #100cm^3# volume of solution?

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Answer 1 · 2017-04-07T15:40:40

#"Formality"# #=# #"Moles of solute"/"Volume of solution (L)"=0.05*mol*L^-1#.

#"Concentration of sodium thiosulfate pentahydrate:"#

#-=# #((1.24*g)/(248.18*g*mol^-1))/(100*cm^3xx10^-3*cm^-3*L)#

#=0.0500*mol*L^-1# WITH RESPECT TO THE PENTAHYDRATE.

What is the formality of a #1.24*g# mass of #"copper sulfate pentahydrate"# in a #100*cm^3# volume of solution?