Răspunsuri

2014-10-13T15:02:07+03:00
xg    320g  yg 
2H₂+O₂⇒2H₂O
2*2g    32g  2*18g

x=320*2*2/32=320*4/32=1280/32=40g H2
y=2*18*320/32=36*320/32=36*10=360g apa