Question

1. record the mass shown by the triple beam balance and label it with the correct unit. mass = volume = 25.0 volume = 21.0

Explanation:

Step1: Identify mass on each beam

The left - most beam has a mass of 300 g, the middle beam has a mass of 20 g, and the right - most beam has a mass of 8 g.

Step2: Calculate total mass

Add the masses from each beam: $300 + 20+8=328$ g.

Answer:

328 g