Respuesta :

superman1987

Answer:

A. 4.

Explanation:

  • We can use the relation:

no. of moles (n) = mass/molar mass.

mass = 64.0 g, molar mass = 16.0 g/mol.

∴ no. of moles (n) = mass/molar mass = (64.0 g)/(16.0 g/mol) = 4 mol.

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