Problem associated to vapour pressure
Provide solution of this question. 60 gm of Urea (Mol. wt 60) was dissolved in 9.9 moles, of water. If the vapour pressure of pure water is P0 , the vapour pressure of solution is:(a) 0.10P0 (b) 1.10P0 (c) 0.90P0 (d) 0.99P0
Help me to go through this problem. When 7.1gm Na2SO4 (molecular mass 142) dissolves in 100ml H2O , the molarity of the solution is: (a) 2.0 M (b) 1.0 M (c) 0.5 M (d) 0.05 M
Give me answer of this question. Among the following substances the lowest vapour pressure is exerted by: (a) Water (b) Mercury (c) Kerosene (d) Rectified spirit
The important methods for the preparation of alcohol on large-scale are given below:
The methods used for the preparation of phenols are given below: From aryl sulphonic acids
why transation metals show charaterstic colours to the flame?
how avogadros hypothesis used to deduce the atomicity of elementry gases ?
what is the equation for calculating molar mass of non volatile solute
Briefly state that Benzoic acid is weaker than paranitro benzoic acid?
Briefly describe the procedure for separating the components of the gun-powder?
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
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