Question

According to the law of constant proportion, the proportion of mass of atoms present in

carbon dioxide is:

(a) 2:5

(b) 3:8

(c) 2:4

(d) 4:6​

Answer 1

Answer:

(b) 3:8

Explanation:

History of the Law of Definite Composition or Proportions

For example, carbon dioxide is composed of one carbon atom and two oxygen atoms. Therefore, by mass, carbon dioxide can be described by the fixed ratio of 12 (mass of carbon):32 (mass of oxygen), or simplified as 3:8.

Answer 2

Answer:

2:4 is the mass of carbon dioxide