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Hydrochloric acid is often sold as a solution with a concentration of 10.0 mol L⁻¹.
(a) Calculate the mass of HCl present in 25.0 L of this solution.
(b) If the density of this acid is 1.16 g mL⁻¹ calculate the concentration in:
(i) % composition (% m/m).
(ii) ppm
(c) A class needs a dilute solution of hydrochloric acid for an experiment. If the required concentration of the dilute solution is 0.125 M, calculate the volume of water needed to make 2.50 L of the dilute solution.
Sagot :
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