1.

30% weight by volume of urea. what is the mass of solvent.​

Answer»

Answer:

30%(w/v) of urea MEANS 30G pf urea in 100ml of SOLUTION.

Weight Of solution Is=Volume Of solution × DENSITY of Solution.

Weight Of Solution=100×1.2=120g

Now, weight of solvent=weight of solution-weight of solute

So, weight of solvent=120–30=90g



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