# How many moles of KCl would be dissolved in 4 L of water to make a 2 M solution?

Answer:              Moles  =  8 moles Solution:               Molarity is given as,                          Molarity  =  Moles / Volume of Solution   ------ (1) Data Given;                    Molarity  =  2 M                    Volume  =  4 L Solving eq.1 for Moles,                        Moles  =  Molarity × Volume of Solution Putting values,                        Moles  =  2 mol.L⁻¹ × 4 L                        Moles  =  8 moles

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