1)2Cu + S---->Cu2S2mole miedzi ------ 1mol siarczkuxmoli miedzi --------7moli siarczkux = 14moli miedzi2) mPb=207umH2O=18uPbO2 + 2H2 -->Pb + 2H2O207g Pb -------- 36g H2Oxg Pb -------------3g H2Ox = 17,25g Pb
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1)
2Cu + S---->Cu2S
2mole miedzi ------ 1mol siarczku
xmoli miedzi --------7moli siarczku
x = 14moli miedzi
2)
mPb=207u
mH2O=18u
PbO2 + 2H2 -->Pb + 2H2O
207g Pb -------- 36g H2O
xg Pb -------------3g H2O
x = 17,25g Pb