The molarity of the NaCl and [tex]MgSO_4[/tex] will be the same.
A mole is defined as 6.02214076 × [tex]10^{23}[/tex]of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.
1 mol of NaCl in 1 litre of solution gives 1 M.
1 mol of [tex]MgSO_4[/tex] in 1 litre of solution gives 1 M.
Hence, the molarity of the NaCl and [tex]MgSO_4[/tex] will be the same.
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