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Zn + 2HCl==>ZnCl2 + H2
65.4g Zn + 2(36.5)g HCl====>136.4g ZnCl2 + 2g H2
65.4g Zn + 73g HCl====>136.4g ZnCl2 + 2g H2
65.4g Zn reacts completely with=73g HCl
9.65g Zn reacts completely with=73/65.4*9.65=10.77gHCl
Moles of Zn=mass of HCl/molar mass of HCl=10.77g/36.5g/mole=0.295moles
Volume of HCl=moles of HCl/molarity of HCl=0.295moles/4.5moles/L=0.0656L=65.6.6mL
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