Q. At $37^\circ C$ , the osmotic pressure of blood is 8.21 atm. The amount of glucose that should be used per litre for an intravenous injection so that it becomes isotonic with blood is

NTA AbhyasNTA Abhyas 2022 Report Error

117 g

58.06 g

108 g

580.6 g

Solution:

$C=\frac{\pi }{R T}=\frac{8.21}{0.0821 \times 310}$
$\frac{W}{180 \times 1}=\frac{8.21}{0.0821 \times 310}$
$\text{W} \, \text{=} \, \frac{\text{8} \text{.21} \, \times \, \text{180}}{\text{0} \text{.0821} \, \times \, \text{310}} \, \text{=} \, \text{58} \text{.06} \, \text{g}$

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