Respuesta :

nkirotedoreen46

Answer:

70.128 g

Explanation:

We are given;

  • Moles of sodium chloride as 1.2 mole

Required to calculate the mass of sodium chloride.

  • We know that to get the number of moles of compound we divide the mass by the molar mass.
  • That is, Moles = Mass ÷ Molar mass

Molar mass of NaCl = 58.44 g/mol

Therefore;

Mass of NaCl = Moles of NaCl × molar mass

                      = 1.2 moles × 58.44 g/mol

                     = 70.128 g

Hence, the mass of NaCl is 70.128 g

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