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
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
Can protein act as the buffer? Briefly comment on that statement.
Illustrate what is protein in Chemistry?
What type of bond does HCl encompass? Describe briefly?
Write a short note on the IUPAC name of the benzene?
The osmotic pressure of a 5% solution of cane sugar at 150oC is (mol. wt. of cane sugar = 342)(a) 4 atm (b) 3.4 atm (c) 5.07 atm (d) 2.45 atmAnswer: (c) Π = (5 x 0.0821 x 1000 x 423)/(342 x 100) = 5.07 atm
Select the right answer of the question. Which is heaviest: (a)25 gm of mercury (b)2 moles of water (c)2 moles of carbon dioxide (d)4 gm atoms of oxygen
what is the equation for calculating molar mass of non volatile solute
what are the most important inorganic molecular substances for living beings?
Briefly state the wavelengths which the human eye can see?
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