Question

A student collects data during an experiment

Mass of empty beaker- 77.25
Mass of 100L water-100.0 g
Mass of salt- 20.0 g
Total mass-197.25 g

After the salt and water are mixed in the beaker and stirred for 1 minute what will be the mass of the contents

Answer 1

The mass of the content = 120 g

Step-by-step explanation:

Given:

Mass of empty beaker = 77.25 g

Mass of 100 L water = 100 g

Mass of salt = 20 g

Total mass = 197.25 g

Computation:

According to Law of Conservation of Mass:

According to the Law of Conservation of Mass, the physical and chemical properties of the substance changes during any type of physical or chemical process, but there is no change in their total mass.

So,

The mass of the content = Total mass - Mass of empty beaker

The mass of the content = 197.25 g - 77.25 g

The mass of the content = 120 g