Limiting Reactants – A Worked Example

4 Jun

Zinc reacts with dilute hydrochloric acid according to the equation:

Zn (s) + 2HCl (aq)      ->       ZnCl2 (aq) + H2 (g)

If 0.05 mole of zinc was added to 0.075 mole of hydrochloric acid,

(a)        identify the limiting reactant;

(b)       calculate the amount (in moles) of the excess reactant which remained unreacted;

(b)       calculate the amount (in moles) of zinc chloride formed.

Solution :

See Here

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