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Vinu dissolves 50 g of sugar in 250 ml o...

Vinu dissolves 50 g of sugar in 250 ml of hot water, sarath dissolves 50g of same sugar in 250 ml of cold water. Who will get faster dissolution of sugar? And why?

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vinu will get faster dissolution of sugar .
(I ) 50 g of sugar in 250 ml of hot water will dissolve faster as solubility of solid solute in liquid .
(ii ) Solvent increases with increase in temperature .
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Vinu dissolves 50 g of sugar in 250 ml of hot water, Sarath dissolves 50 g of same sugar in 250 ml of cold water. Who will get faster dissolution of sugar? and Why?

100 ml of water can dissolve 36g of NaCl at 25^@ C to attain saturation.

Knowledge Check

  • On dissolving sugar in water at room temperature solution feels cool to touch. Under which of the following cases dissolution of sugar will be most rapid ?

    A
    Sugar crystals in cold water
    B
    Sugar crystals in hot water
    C
    Powdered sugar in cold water
    D
    Powdered sugar in hot water

  • Solubility of NaCl in 100 ml water is 36 g. If 25 g salt is dissolved in 100 ml of water how much more salt is required for saturation ? ______.

    A
    12 g
    B
    11 g
    C
    16 g
    D
    20 g

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