Question

Masa molecular de Ba3(PO4)2

Answer 1

Ba₃(PO₄)₂

Pesos Atomicos
Ba = 137 g/mol
  P = 31 g/mol
  O = 16 g/mol

Peso Molecular = (137ₓ3) + (31ₓ2) + (16ₓ4ₓ2)
                          = 411 + 62 + 128
                    PM = 601 g/mol