://www.physicsclassr oom.com/Concept-Builders /Me iFrame to whatever dimensions you prefer. Kara Fulmezzurer is attempting to determine the mass of some aluminum beads. Kara places a dry beaker on a digital balance and determines its mass to be 122.43 grams . She carefully adds the beads to the beaker and determine s the mass of the beaker with the beads is 158.63 grams. What value should Kara report as the mass of the aluminum beads ?

## Step 1: Identify the given values### The mass of the empty beaker is given as 122.43 grams, and the mass of the beaker with the aluminum beads is given as 158.63 grams.## Step 2: Calculate the mass of the aluminum beads### To find the mass of the aluminum beads, subtract the mass of the empty beaker from the mass of the beaker with the beads: ### Substituting the given values: ### Performing the subtraction: