Odpowiedzi

2009-11-29T19:43:43+01:00
MAlCl3=27u+106,5=133,5u
CpAl= 27/133,5*100%=~20%
CpCl=106,5/133,5*100%=~80%

mNa2So4=142u
CpNa=46/142*100%=~32%
CpS=32/142*100%=~22%
CpO=64/142*100*=~45%


mPb(NO3)2=331u
CpPb=207/331*100%=~62%
CpN=28/331*100%=~9%
CpO=96/331*100%=~29%


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