Answered

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After balancing the following equation, what is the coefficient in front of hydrogen?
___Co(s) + ___HCl(aq) —> ___CoCl3(aq) + ___H2(g)
a) 1
b) 2
c) 3
d) 4
e) 6

Sagot :

Oseni

After balancing the equation, the coefficient in front of the hydrogen would be 3.

Balancing chemical equation

A balanced chemical equation is an equation that contains an equal number of different atoms in the reactants and in the products in accordance with the law of conservation of atoms.

According to the law of conservation of atoms, atoms cannot be created nor destroyed during the course of chemical reactions, although their forms may change from reactants to products.

Going by this rule, the balanced equation of the reaction in the illustration would be: [tex]2Co(s) + 6HCl(aq) -- > 2CoCl_3(aq) + 3H_2(g)[/tex]

Thus, from the balanced equation, the coefficient of hydrogen is 3.

More on balancing chemical equations can be found here: https://brainly.com/question/28294176

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