Q.

A solution contains 30g of glucose in 270g of water. The concentration of this solution in terms of mass by mass percentage is [[1]] %

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answer is 10.

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Detailed Solution

Given:  Mass of solute = 30g

               Mass of solute= 270g

Mass of solution     =  Mass of solute + Mass of solvent

                                   =30 + 270

                                   =300g

Mass by mass percentage of solution =Mass of soluteMass of solution × 100

                                                                           = 30300× 100   

                                                                           =303

                                                                          =10%

The mass by mass percentage of the given solution is 10 %

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