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Sagot :
To calculate the atoms of an element in a given molecule, we need to multiply stoichiometry by the number that is written on the foot of that element. Therefore, coefficient of Al in balanced equation is 2.
What is Balanced equation?
Balanced equation is the one in which the total number of atoms of a species on reactant side is equal to the total number of atoms on product side. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, displacement reaction.
The other characteristic of balanced reaction is that physical state should be written with each compound or molecule on reactant and product side. Physical state should be written in brackets. s means solid, l means liquid, g means gas.
Al(s)→Al³⁺(aq)+3e⁻ × 2
Zn²⁺(aq)+2e⁻−→Zn(s) × 3
adding the two equations we get balanced equation as
2Al+3Zn²⁺→ 2Al³⁺ + 3Zn(s)
The coefficient of Al in balanced equation is 2.
Therefore, coefficient of Al in balanced equation is 2.
Learn more about the balanced equation, here:
https://brainly.com/question/7181548
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