Question

2-Calcule a massa molecular do Aℓ₂O₃ ( Dados: Aℓ= 27 g/mol; O = 16 g/mol). *

5 pontos

102 g/mol

66 g/mol

90 g/mol

80 g/mol

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Answer 1

Massa Molecular=27.2+16.3=102 g/mol