# NCERT Solutions Class 12 Chemistry Chapter 2 SOLUTIONS

Ncert Solutions for class 12 subject Chemistry Chapter 2 SOLUTIONSin pdf Best Free NCERT Solutions for class 1 to 12 in pdf NCERT Solutions, cbse board, Chemistry, ncert Solutions for Class 12 Chemistry, class 12 Chemistry ncert solutions, SOLUTIONS, Class 12, ncert solutions chapter 2 SOLUTIONS, class 12 Chemistry, class 12 Chemistry ncert solutions, Chemistry ncert solutions class 12, Ncert Solutions Class 12 Chemistry Chapter 2 SOLUTIONS

## Exercise Chapter 2 Class 12 Chemistry SOLUTIONS Ncert Solutions

2.2 Give an example of a solid solution in which the solute is a gas.

2.3 Define the following terms:
(i) Mole fraction

2.3 Define the following terms:
(ii) Molality

2.3 Define the following terms:
(iii) Molarity

2.3 Define the following terms:
(iv) Mass percentage.

2.4 Concentrated nitric acid used in laboratory work is 68% nitric acid by mass in aqueous solution. What should be the molarity of such a sample of the acid if the density of the solution is 1.504 g mL–1?

2.5 A solution of glucose in water is labelled as 10% w/w, what would be the molality and mole fraction of each component in the solution? If the density of solution is 1.2 g mL–1, then what shall be the molarity of the solution?

2.6 How many mL of 0.1 M HCl are required to react completely with 1 g mixture of Na2CO3 and NaHCO3 containing equimolar amounts of both?

2.7 A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.

2.8 An antifreeze solution is prepared from 222.6 g of ethylene glycol (C2H6O2) and 200 g of water. Calculate the molality of the solution. If the density of the solution is 1.072 g mL–1, then what shall be the molarity of the solution?

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