Which statement correctly differentiates mass from volume, and what instruments measure each?

Which statement correctly differentiates mass from volume, and what instruments measure each?

• A. Mass measures space occupied and is measured with a ruler; volume measures the amount of matter and is measured with a balance.
• B. Mass measures the amount of matter and is measured with a balance or digital scale; volume measures space occupied and is measured with a graduated cylinder or ruler (for irregulars, water displacement).
• C. Mass is the same as weight; volume is the same as density.
• D. Mass is measured with rulers; volume is measured with a balance.

Answer: (B)