Odpowiedzi

2010-02-21T15:43:31+01:00
MAlCl3 = 27u+3*35,5u =133,5u
Z%Al = 27*100%/133,5= 20,22%
Z%Cl = 100% -20,22% = 79,78%
mNa2SO4 = 2*23u+1*32u+4*16u=142u
Z%Na=46*100%/142=32,39%
Z%S=32*100%/142=22,54%
Z%O=100%-(32,39%+22,54%)=45,07%
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