How much glucose is needed to prepare 250 mL of a 1/20 M (M/20) glucose solution?
(Molar mass of glucose: 180 g/mol)

1. 2.25 g
2. 4.5 g
3. 0.44 g
4. 1.125 g
Subtopic:  Concentration Based Problem |
 81%
From NCERT
NEET - 2024
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A 1 M solution of a compound 'X' has a density of 1.25 g/mL. If the molar mass of compound X is 85 g, what is the molality (m) of the solution?
1. 0.705 m  2. 1.208 m 
3. 1.165 m  4. 0.858 m 
Subtopic:  Concentration Based Problem |
 68%
From NCERT
NEET - 2023
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The density of a 2 M aqueous solution of NaOH is 1.28 g/cm3. The molality of the solution is: 
[molecular mass of NaOH = 40 gmol-1]

1. 1.20 m 2. 1.56 m
3. 1.67 m 4. 1.32 m
Subtopic:  Concentration Based Problem |
 73%
From NCERT
NEET - 2019
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NEET 2026 - Target Batch - Vital
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