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CHEM0706010
50g of copper(II) sulphate is dissolved in 200cm³ of water. Find the concentration of the solution in g dm⁻³.
CHEM0706020
The concentration of a sodium chloride solution is 200g dm⁻³. Find the volume of the solution that contains 15g of sodium chloride.
CHEM0706030
What is the molarity of a solution when water is added to 2 mol of Sodium hydroxide to make 500 cm³ of the solution?
CHEM0706040
The concentration of a potassium chloride solution is 14.9 g dm⁻³. What is the molarity ( mol dm⁻³) of the solution? [ Relative Atomic Mass: Cl = 35.5; K = 39 ]
CHEM0706050
The molarity of a nitric acid is 2M. Find the concentration of the acid in g/dm³. (Relative atomic mass: H = 1; N = 14; O = 16)
CHEM0706060
The molarity of acid X is 0.2 mol/dm³. Find the relative molecular mass of acid X if its concentration is 19.6g/dm³.
CHEM0706070
17.55g of Sodium chloride dissolved in 200cm³ of water. Find the concentration of the solution in mol/dm³. [Relative Formula Mass of Sodium chloride = 58.5]