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Bas_tet [7]
4 years ago
15

Calculate the number of grams of Cl2 formed when 0.115 mol HCl react with O2-

Chemistry
1 answer:
WINSTONCH [101]4 years ago
4 0
The   number  of  grams  of Cl2   formed  when  0.115  moles  of  HCl   react   with  O2  is  calculated  as  follows

write  the  chemical  equation

4HCl  + O2  ----->  2H2O  +  2Cl2


if  0.115  moles  of  HCl  reacted  and from  the  equation  above  the  reacting  ratio  between   HCl  and  Cl2  is  4:2  therefore  the  moles  of Cl2=  0.115  x2/4=0.0575moles

mass  of  Cl2=  moles  x molar  mass  of  Cl2(35.5  x2=71g/mol)

=0.0575  moles  x71g/mol  = 4.0825  grams
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