Question

suma de las masas atomica de AL2(CO3)3

Answer 1

Al = 27 g/mol
C = 12 g/mol
O  16 g/mol

Al: 2 x 27 = 54 g/mol
C: 3 x 12 = 36 g/mol
O: 9 x 16  144 g/mol
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           Mm= 234g/mol