How many moles of salt are in 13.8 g of sodium chloride?

0.236 mol ≈ 0.24mol

Explanation:

to find the amount of moles of salt in 13.8g of sodium chloride, NaCl, we need to find the mass of sodium in g/mol first.

To find the amount of sodium in g/mol, we sum up the individual masses of

sodium and chloride.

Mass of one mole of sodium = 23g

Mass of one mole of chlorine = 35.4g

Mass of sodium chloride = ( Mass of Na + Mass of Cl)

mass of NaCl = (23 + 35.4) = 58.4g/mol

∴ 1 mole of NaCl = 58.4g

   x moles of NaCl = 13.8g

By cross multiplication, we have

13.8g × 1 mol ÷ 58.4g

=0.236mol ≈ 0.24mol

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.