Question

Calcular el peso molecular de las siguientes sustancias:c) hidróxido de calcio, ca(oh)2 !

Answer 1

Ca(OH)2

Ca: 1 x 40 = 40 g/mol
  H: 2 x  1 =  2 g/mol
  O: 2 x 16 = 32 g/mol
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        Mm = 74 g/mol