Oblicz zawartość procentową pierwiastków w: -wodorotlenku wapnia -wodorotlenku ołowiu (IV)

a) mCa(OH)2=40u+32u+2u=74u %Ca = (40/74)*100% = 54,1% %O = (32/74)*100% = 43,2% %H = (2/74)*100% = 2,7%% b) mPb(OH)4=207+64u+4u=275u %Pb = (207/275)*100% = 75,3% %O = (64/275)*100% = 23,7% %H = (4/275)*100% = 1,5%