a ruler and a protractor a magnet and a thermometer a graduated cylinder and a balance an Erlenmeyer flask and a Bunsen burner
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which pieces of equipment would be used to measure the density of a solution?
Possibilities:
- a ruler and a protractor
- a magnet and a thermometer
- a graduated cylinder and a balance
- an Erlenmeyer flask and a Bunsen burner

a graduated cylinder and a balance