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Calculate the mass of the zinc that reacts with 4.11 g of hydrochloric acid to form 9.1 g of zinc chloride and 3.97 g of hydrogen gas.

Sagot :

Answer: Mass of zinc  that reacts with 4.11 g of hydrochloric acid to form 9.1 g of zinc chloride and 3.97 g of hydrogen gas is 8.96 g

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

[tex]Zn+2HCl\rightarrow ZnCl_2+H_2[/tex]

Given: mass of hydrochloric acid = 4.11 g

Mass of products = Mass of zinc chloride + mass of hydrogen = 9.1 g + 3.97 g = 13.07 g

As mass of reactant = mass of products

mass of hydrochloric acid  + mass of zinc =  Mass of zinc chloride + mass of hydrogen

4.11 g + mass of zinc = 13.07 g

mass of zinc = 8.96 g

Answer:

8.96 gramz

Explanation:

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