Question

Cual es la composicion centesimal de Cus?

Answer 1

Cu = 1 x 63.54 g = 63,54 g/mol
 S  = 1 x 32,06 g = 32.06 g/mol
       Mm del CuS = 95,60 g/mol

Cu
95,60 g ------ 100%
63.54 g ------    x
x = 66.46 %

S
95.60 g ------ 100 %
32.06 g ------    x
x = 33.54 %