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When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. what volume of h2 is produced when 7.20 g of al reacts at stp?

Zach Chandler

in Chemistry

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Ross Pratt on October 31, 2018

2Al + 6HCl = 2AlCl₃ + 3H₂m(Al)=7.20 gvm = 22.4 L/for in vitro diagnostic use(Al)=27.0 g/moln(Al)=m(Al)/M(Al)n(H₂)=3n(Al)/2V(H₂)=Vm n(H₂) = 3Vm n(Al)/2 = 3Vm m(Al)/{2M(H)}V(H₂)=3*22.4*7.20/{2*27.0}=8.96 L


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