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The molality of solution containing 15.2 g of urea, dissolved in 150 g of water is_______.
 

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Important Questions on Solutions and Colligative Properties

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IMPORTANT
The density of 2% w/w aqueous KI solution is 1.202 g mL-1. What is the approximate molality? 
 
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0.2 molal NaOH solution is prepared in water (density of H2O is 1 kg cm-3). Mole fraction of solute is______.
 
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Solubility of which among the following solids in water changes slightly with temperature? 
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Which among the following alloys is used in making instruments for electrical measurements?