a. Calculate the concentration, in mol dm 3 , of the following solutions: (A r values: C
Question:
a. Calculate the concentration, in mol dm–3, of the following solutions: (Ar values: C = 12.0, H = 1.0, Na = 23.0, O = 16.0)
i. a solution of sodium hydroxide, NaOH, containing 2.0 g of sodium hydroxide in 50 cm3of solution
ii. a solution of ethanoic acid, CH3CO2H, containing 12.0 g of ethanoic acid in 250 cm3 of solution.
b. Calculate the number of moles of solute dissolved in each of the following:
i. 40 cm3 of aqueous nitric acid of concentration 0.2 mol dm–3
ii. 50 cm3 of calcium hydroxide solution of concentration 0.01 mol dm–3.
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To solve this problem you will need to use the formula for concentration which is defined as the amount of solute in moles per volume in liters of sol...View the full answer
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Related Book For 
Cambridge International AS And A Level Chemistry Coursebook
ISBN: 9781316637739
2nd Edition
Authors: Lawrie Ryan, Roger Norris
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