In an experiment, a student estimates the acceleration due to gravity is 9.31 m/s2. the actual value is 9.8 m/s2. what is the student's percent error

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car