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All of water in a 0.20M solution of NaCL evaporated and 0.15 mol of NaCl was obtained. What was the original volume of the sample? a)30ml B)333ml c)444ml d) 750ml

Vimal Jain , 13 Years ago
Grade 12th Pass
anser 1 Answers
NETTEM SAI SIRISHA

Last Activity: 13 Years ago

molarity= no.of moles of solute/volume of the solution in litres.

given that:molarity=0.20  ,no.of moles of solute =0.15.

                   so,  0.20=0.15/volume of the solution.

                          volume=0.15/0.20=0.75 lt.

                                    so  volume=750ml.

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