Question

an empty beaker has a mass of 60.0 grams. when mercury is added to the beaker, the combined mass is 200.0 grams. what is the mass of the mercury? 200.0 g 140.0 ml 260.0 g 140.0 g

Explanation:

Step1: Identify given masses

Mass of empty beaker = 60.0 g, combined mass = 200.0 g

Step2: Use mass - subtraction formula

Mass of mercury=Combined mass - Mass of empty beaker
$=200.0 - 60.0$

Answer:

140.0 g