Răspuns:
1.mCO2=12+32=44
in 44g CO2---------------------------------------32gO2
17g --------------------------------------------------x=12,3g
2. 1 mol H2S=1xM=34 g
3moli----------------3x 34=102g
M(H2S)=2+32=34g
3. mHCl=1=35,4=36,5
1g H--------------------36,5gHCl
50g--------------------x=1825gHCl
Explicație:
