155k views
5 votes
Karen  measures the initial volume of water as 12. 5 mL.  She then adds a 2. 3 gram rubber stopper and the volume rises to 20. 8

mL. What is the volume of Karen's rubber stopper?


a18. 5 grams

b 2. 3 grams

c 20. 8 ml

d 8. 3 ml

1 Answer

5 votes
It is 8.3 mL.

Total volume (20.8) = initial volume (12.8) + volume of rubber stopper (x)

X + 12.8 = 20.8
Subtract 12.8 from both sides
X = 8.3

User Felix Josemon
by
9.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.