What is the molarity of a solution which contains 58.4 g of sodium chloride dissolved in of solution?

Molarity of solution is given as,

                      Molarity  =  Moles / Volume of Solution    (1)

As we are given with mass, so we will expand moles as,

                      Molarity  =  (Mass / M.Mass) / Volume of Solution
Or,
                      Molarity  =  Mass ÷ (M.mass × Volume of Solution)  -- (2)
SO,
      Molarity  =  Unknow

      Mass  =  58.4 g

      M.Mass  =  58.4 g.mol⁻¹

      Volume  =  As it is missing in statement, so we will assume it 1 L

Putting values in eq.

                      Molarity  =  58.4 g ÷ (58.4 g.mol⁻¹ × 1 L)

                      Molarity  =  1 mol.L⁻¹

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