Oblicz skład procentowy pierwiastków :
a) SO
b) Al
S
a) SO
b) Al
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mcz = 32 + 2 x 16 = 64 u
64 ---100%
32 ----X
X = 50 % - S
%O = 100% - 50 % = 50 %
Al2S3
mcz = 2 x 27 + 3 x 32 = 150 u
150 --- 100%
54 -----X
X = 36 % - Al
%O = 100% - 36 % = 64 %