When 18.02 g of water is decomposed by electrolysis, 16.00 g of oxygen and 2.02 g of hydrogen are formed. According to the law of definite proportions.What mass, in grams, of hydrogen will be formed by the electrolysis of 795 g of water?

Respuesta :

According to the law of definite proportions, in a compound the same elements are always present in the same proportions.

On decomposition of 18.02 g of water by electrolysis, 16.0 g of oxygen and 2.02 g of hydrogen are formed.  (given)

Therefore, the ratio of grams of hydrogen to grams of water is:

2.02 g : 18.02 g

So, this ratio can be used to determine the mass of water in 795 g. As:

[tex]\frac{2.02}{18.02} = \frac{x}{795}[/tex]

[tex]x = \frac{2.02 g\times{795 g}}{18.02 g} = 89.12 g[/tex]

Hence, [tex]89.12 g[/tex] of hydrogen will be formed by the electrolysis of 795 g of water.

The study of chemicals is called chemistry. There are two types of chemicals and these are acid and base.

The correct answer to the question is 795.

What is electrolysis?

  • Electrolysis is a technique that uses direct electric current to drive an otherwise non-spontaneous chemical reaction.
  • Electrolysis is commercially important as a stage in the separation of elements from naturally occurring sources such as ores using an electrolytic cell.

According to the law of definite proportions, in a compound, the same elements are always present in the same proportions. On the decomposition of 18.02 g of water by electrolysis, 16.0 g of oxygen and 2.02 g of hydrogen are formed.

  • Therefore, the ratio of grams of hydrogen to grams of water is: 2.02 g : 18.02 g

So, this ratio can be used to determine the mass of water is 795 g. As:

[tex]\frac{2.02}{18.02} =\frac{x}{795} \\\\x= 89.12g[/tex]

Hence, the correct answer is 89.02

For more information about the question, refer to the link:-

https://brainly.com/question/1520955