Problem on molality
Select the right answer of the question. Calculate the molality of 1 litre solution of 93% H2SO4 (weight/volume). The density of the solution is 1.84 g /ml : (a) 10.43 (b) 20.36 (c) 12.05 (d) 14.05
Choose the right answer from following. How many grams of NaOH will be required to neutralize 12.2 grams of benzoic acid : (a) 40gms (b) 4gms (c)16gms (d)12.2gms
density of water is 1g/mL.The concentration of water in mol/litre is
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
Elaborate the structure of a DNA molecule?
Determination of correct mol. Mass from Roult's law is applicable to :
Explain the reason behind that the chemists have not created a periodic table of compounds?
Karl Scheele, the Swedish chemist, was
Select the right answer of the question. Molecular weight of urea is 60. A solution of urea containing 6g urea in one litre is : (a)1 molar (b)1.5 molar (c) 0.1 molar (d) 0.01 molar
Select the right answer of the question. Essential quantity of ammonium sulphate taken for preparation of 1 molar solution in 2 litres is: (a)132gm (b)264gm (c) 198gm (d) 212gm
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