biancabarrios0p8gxky biancabarrios0p8gxky
  • 09-05-2018
  • Chemistry
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what is the molarity of a solution of calcium chloride which contains 33500mg of solute in total volume of 0.352L?

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kenmyna
kenmyna kenmyna
  • 18-05-2018
The molarity of a solution of CaCl2 is calculated as below

convert  mm  to g
1mg =0.001 g
what about 33500 mg=? g
33500 x 0.001 =33.5 g
find the  moles of CaCl2 = mass/molar mass

=33.5 g/ 111 g/mol =0.3018 moles

molarity =moles/volume

=0.3018/0.352 =0.857 M
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