Q.
A solution of glucose (C6H12O6) is isotonic with 4 g of urea (NH2−CO−NH2) per litre of solution. The concentration of glucose is:
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a
4 g/L
b
8 g/L
c
12 g/L
d
14 g/L
answer is C.
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Detailed Solution
Isotonic solution has same conc. π1=π2 ;C1=C2 ;n1V1=n2V2 ; Since,V1=V2=1 ; n1=n2 W1M1=W2M2 x180=460 x = 12gm
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