The amount of glucose required to prepare 250 mL of \(\dfrac{M}{20}\) aqueous solution is:
(Molar mass of glucose: 180 g \(\mathrm{mol ^{-1}}\))
1. 2.25 g
2. 4.5 g
3. 0.44 g
4. 1.125 g
Subtopic: Concentration Based Problem |
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Mass of glucose \(\left(\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6\right)\) required to be dissolved to prepare one litre of its solution which is isotone with \(15~g~L^{-1}\)solution of urea \(\mathrm{(NH_2 CONH_2)}\) is:
(Given : Molar mass in g \(\mathrm{mol}^{-1}\) C:12, H:1, O: 16, N:14 )
1. 55 g
2. 15 g
3. 30 g
4. 45 g
Subtopic: Concentration Based Problem |
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