The density of 68 % nitric acid by mass in an aqueous solution is 1.504 g mL^–1. The molarity of the acid solution would be:
1. 15.24 M
2. 16.23 M
3. 14.52 M
4. 13.45 M

A solution of glucose (M.W = 180 g mol^–1) in water is 10 % w/w. The mole fraction of each component in the solution is:

An antifreeze solution is prepared from 222.6 g of ethylene glycol (C₂H₆O₂) and 200 g of water. The molality of the solution would be:

A drinking water sample was found to be contaminated with chloroform at a level of 15 ppm (by mass). What is the mass percent of chloroform in the sample?

1. $15\times {10}^{-4}$

2. $1.5\times {10}^{-4}$

3. $0.15\times {10}^{-4}$

4. $15\times {10}^{-5}$

The type of molecular interactions in a solution of alcohol and water is:

The graph representing Henry's law is given below:

The value of the slope will be

Points A and B in the below-mentioned graph represent, respectively:

The law represented by given graph is -

Which graph represents the positive deviation of vapor pressure?

1.		2.
3.		4.	None of the above

Which graph represents the elevation in boiling point?

1.
2.
3.
4.	None of the above.