12.47 g of ammonium nitrate are dissolved in water, then diluted to 250 ml. What is the molarity of the resulting solution?

Answer;

= 0.6224 M

Explanation;

Molarity is given by the formula;

Molarity = Number of moles/Volume

But moles = mass/Molar mass

Thus;

Moles = 12.47 g/80.043 g/mol

= 0.1556 Moles

Therefore;

Molarity = 0.1556 moles/0.25

= 0.6224 M