Betty Lou weighed an object on her balance and recorded a mass of 24.21 grams. Her teacher told her that there was obviously something wrong with her balance because it was giving her a reading which was 33.22% too high. What was the actual mass of the object?

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

i'm pretty sure it is letter c.) car

that tool would be a compass