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- Why do you get sometimes abnormal molecular mass of substances by usin...
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- Define van't Hoff factor . What is its importance? How does it account...
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- calculate the mass of urea (NH2CONH2) required in making 2.5kg of 0.25...
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- Mole fraction of the solute in 1 molal aqueous solution is
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- Concentrated nitric acid used in the laboratory is 68% nitric acid by ...
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- A solution of glucose in water is labelled as 10 percent w/w . What wo...
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- An antifreeze solution is prepared fro, 222.6g of ethylene glycol, C2H...
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- Calculate the molarity of a solution containing 5g of NaOH in 450mL so...
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- A solution is 25% water, 25% ethanol and 50% acetic acid by mass. Calc...
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- A sugar syrup of weight 214.2g contains 34.2g of sugar (C(12)H(22)O(11...
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- Calculate mole fraction of ethanol and water in a sample of rectified ...
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- 2.82g of glucose (Molar mass: 180g mol^-1) are dissolved in 30g of wat...
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- Commercially available HCl contains 38% HCl by mass. Calculate molarit...
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- Commercially available sample of sulphuric acid is 15% H2SO4 by weight...
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- 2.82g of glucose are dissolved in 30g of water. Calculate the molality...
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- Heptane and octane form ideal solution . At 373K , the vapour pressure...
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- Calculate the mass of a non-volatile solute ( molar mass 40g mol^-1) w...
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- The vapour pressure of pure bronze at a certain temparature is 262atm....
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- 18g of glucose , C6H(12)O6 (Molar mass=180g mol^-1) is dissolved in 10...
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- 10g of non-volatile solute when dissolved in 100g of benzene raises it...
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