a sugar solution is 10 w/v find w/w if density of solution is 12.5g/ml
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Explanation:
Answer
10%w/v solution of sugar in water means 10 g of glucose present in 100g of water.
Then Mass of glucose is 10g
Mass of water is = 100g−10g=90g=0.09kg
and density = 1.2gmL
−1
To find the molarity i.e,
v
w
Density =
v
m
=1.2 g/ml
volume=
density
mass
molality=
1.2g/ml
100g
=83.33ml=0.0833L
molarity=
0.0833
0.0566=0.67M
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