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Arrange the following solutions in incre...

Arrange the following solutions in increasing order of their osmotic pressures .
(i)34.2 g/litre surcrose
(ii)60 g/litre of urea
(iii)90 g/litre of glucose
(iv)58.5 g/litre of sodium chloride

Text Solution

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`34.2"g L"^(-1)" sucrose"=(34.2)/(342)=(M)/(10)" sucrose ", 90" g L"^(-1)" glucose"=(90)/(180)=0.5"M glucose", 5.85"g NaCl"=(5.85)/(58)=(M)/(10)NaCl`
Increasing order of osmotic pressure sucrose `(M)/(10)` sucrose `lt (M)/(10) NaCl lt 0.5` M glucose
`:. (M)/(10) NaCl` has double number of solute particles than `(M)/(10)` sucrose.
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