Question

Zoe is investigating the composition of substance A, an unknown substance. Using chemical processes, she analyzes substance A and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. What is substance A?

Answer 1

The substance is NaOH

Step-by-step explanation:

To find the number of atoms of each element we multiply coefficient and the subscript

For example
`5 Ca_1 Cl_2` contains

5 × 1 = 5,Ca atoms and

5 × 2 = 10, Cl atoms

Sodium hydroxide is NaOH which contains

1, Na atom and

1, O atom and

1, H atom

Hence the ratio is 1 : 1 : 1