# The label on a box of washing soda states that it contains Na_2CO_3. Name the elements in this compound. In what ratio are they present?

Jan 27, 2016

They are present in a ration of 2/6, 1/6, and 3/6.

#### Explanation:

There are 2 molecules of Sodium, (Na).
There is 1 molecule of Carbon (C).
There are 3 molecules of Oxygen (O).
There are 6 molecules total, so all of the ratios will be out of six.

The ratio of Sodium is 2/6 or 1/3.
The ratio of Carbon is 1/6.
The ratio of Oxygen is 3/6 or 1/2.