Răspuns:
Explicație:
MH2= 2 .1 =2 ------> 2g/moli
MCH4= 12+ 4=16 ------> 16g/moli
MH2O=2 +16=18 --------> 18g/moli
MNH3=14 +3=17 --------> 17g/moli
MH2O = 18g/moli---------> 1mol H2O = 18g
MHCl= 1=35,5=36,5 ------> 36,5g/moli-------> 1mol HCl = 36,5g HCl
MCH4=16----> 1 molCH4 =16 g CH4
MO2= 2.16=32------> 32g O= 1mol O2