Question

you spill a small amount of chemicals on the lab bench. what should you do first? * 4 points
ignore it and continue working.
use your bare hands to wipe it.
notify the teacher and clean it with the proper spill kit.
tell your lab partner to clean it with their sleeve.

convert 5000 milligrams to grams. * 5 points
0.5 g
5 g
50 g
500 g

Explanation:

Step1: Recall lab safety protocol

Chemicals can be hazardous. Ignoring, using bare - hands, or using a sleeve to clean are unsafe.

Step2: Identify correct action

Notifying the teacher and using a proper spill kit is the correct safety measure.

Step3: Recall mass conversion factor

1 gram = 1000 milligrams.

Step4: Perform conversion

To convert 5000 milligrams to grams, divide by 1000: $\frac{5000}{1000}=5$ grams.

Answer:

First question: C. Notify the teacher and clean it with the proper spill kit.
Second question: B. 5 g