O número de mols existentes em 160g de hidróxido de sódio (NaOH)é: Dados: H= 1u, O=16U, Na=23u

Obs: escreva cálculos.

a) 2 mols
b) 3 mols
c) 4 mols
d) 5 mols
e) 6 mols
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