Question

Me dice hallar el peso molecular de silicato ferrico

Answer 1

Fe2(SiO3)3 

Fe: 2 x 55.84 = 111.68 g/mol
Si:  3 x  28.08 = 84.24 g/mol
 O: 9 x 16 = 144 g/mol
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             Mm = 339.92 g/mol