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2HCl=H2+Cl2 2mol:1mol:1mol Mole of HCl=Mass/molar mass=25/36.46=0.69mol 2/0.69=1/x x=0.345mol of Cl2 0.345*(35.45*2)=24.46gram Percent yield=(13.6/24.46)*100%=55.60%

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