Question

How much water should be added to 50gms of glucose so as to get 12% of glucose solution

Answer 1

Volume percentage =
$volume \: percentage = \frac{volume \: of \: solute(glucose)}{volume \: of \: soution} \times 100 \\ 12 = \frac{50gm}{volume \: of \: solution } \times 100 \\ volume \: of \: solution \: = \frac{50 \times 100}{12} = \frac{5000}{12}$
Now amount of water to be added =

$\frac{5000}{12} - \frac{50}{1} \\ \frac{5000 - 600}{12} \\ \frac{4400}{12} gm$
Into litres =
$\frac{4400}{12} \times 1000 \\ \frac{440000}{12} litres$
The amount of water to be added is 440000/12 litres = 36666.666 approx litres.=36667 litres
Volume of solution = 36667+50 = 36717 litres.

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