Question

Se da Reactie: MgCO₃→MgO+CO₂
νMg(CO₃)=10 mol
Sa se afle
m(MgO
M(CO₂)

Answer 1

          10moli     xmoli      ymoli
          MgCO3 =MgO + CO2                                                                                                    1mol          1mol    1mol
x=10moli MgO                                                                                                              MMgO=24+16=40-------->1mol=40g                                                                                   40g  MgO------------------1mol MgO                                                                             Xg----------------------------10 moli               X=40.10=400 g MgO
y= 10 moli  CO2                                                                         MCO2=12+2.16=44--------->1mol=44 g                                                                                                                                             44gCO2-----------1mol                                                                                        wg--------------10moli CO2                                                                                                                                        w=44.10=440 g CO2