WORKSHEET:CHEMISTRY PRACTICAL

TOPIC : MOLARITY

Fill in the gap with suitable word/symbol/phrase

Q No	Question	Answer
1	The number of moles of the solute present per ………………of solution is called molarity.	………….
2	The number of moles of the solute present per ………………of solution is called molality.	………….
3	The unit of molarity is ………………….	………….
4	The unit of molality is ………………….	………….
5	The mass of the solute (WB) divided by its molecular mass (MB) gives the ………………of the solute.	………….
6	The number of moles of a solute (n) x molecular mass of the solute (MB) = …………………of the solute	………….
7	1mL=…………….L	………….
8	1L= ………deciL	………….
9	1mL=……..cm3	………….
10	1000cm3 =…….L	………….
11	<![if !vml]><![endif]>	………….
12	<![if !vml]><![endif]>	………….
13	If 500 mL of a 5M solution is diluted to 1500 mL, the molarity of the diluted solution will be………………	………….
14	If the concentration of glucose (C6H12O6) in blood is 0.9 g L–1, then its molarity shall be………	………….
15	The molality of the solution containing 18.25 g of HCl gas in 500 g of water?	………….
16	Sulphuric acid reacts with sodium hydroxide as follows: H2SO4 + 2NaOH → Na2SO4 + 2H2O When 1L of 0.1M sulphuric acid solution is allowed to react with 1L of 0.1M sodium hydroxide solution, the amount of sodium sulphate formed and its molarity in the solution obtained is………………….&…………………………	…………. ………….
17	Which of the following solutions have the same concentration? (i) 20 g of NaOH in 200 mL of solution (ii) 0.5 mol of KCl in 200 mL of solution (iii) 40 g of NaOH in 100 mL of solution (iv) 20 g of KOH in 200 mL of solution	………….
18	Which of the following terms are unit less? Molality, Molarity, Mole fraction, Mass percent	………….
19	The density of 3 molal solution of NaOH is 1.110 g mL–1. The molarity of the solution is…….	………….
20	Which of the following depends upon temperature? Molality, Molarity, Mole fraction, Mass percent	………….