Assignments 1.7 Reaction Stoichiometry 7.7 Reaction Stoichiometry Calculate the amount of moles of a reactant required...

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Question

Assignments 1.7 Reaction Stoichiometry 7.7 Reaction Stoichiometry Calculate the amount of moles of a reactant required given

Answer 1

Answer #1

balanced equation :

Zn + 2 HCl --------------> ZnCl2 + H2

from the balanced equation :

1 mol Zn ------------> 2 mol HCl

2.5 mol Zn --------------> ??

moles of HCl = 2.5 x 2

moles of HCl = 5.0 mol

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Answer 2

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