K2SiO3
M(K2SiO3)= 154г/мольw(K2)=78/154*100%=51%w(Si)=28/154*100%=18%w(O3)=100%-51%-18%=31%
Mg(OH)2
M(Mg(OH)2)=58 г/мольw(Mg)=24/58*100%=41%w(H2)=2/58*100%=3%w(O2)=100%-41%-3%=56%
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K2SiO3
M(K2SiO3)= 154г/моль
w(K2)=78/154*100%=51%
w(Si)=28/154*100%=18%
w(O3)=100%-51%-18%=31%
Mg(OH)2
M(Mg(OH)2)=58 г/моль
w(Mg)=24/58*100%=41%
w(H2)=2/58*100%=3%
w(O2)=100%-41%-3%=56%