Vapour pressure over mercury
Choose the right answer from following. At 300 K, when a solute is added to a solvent its vapour pressure over the mercury reduces from 50 mm to 45 mm. The value of mole fraction of solute will be: (a)0.005 (b)0.010 (c)0.100 (d)0.900
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Karl Scheele, the Swedish chemist, was
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37% weight of HCl and density is 1.1g/ml. find molarity of HCl
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