A scientist may repeat an experiment to make sure that results are reliable. An example would be if the test had a large variance in data gathered and no conclusions could be drawn.
It is, as all-stars are, a hot ball of gas made up mostly of Hydrogen. The Sun is so hot that most of the gas is plasma, the fourth state of matter.
Answer:
moles, liter, concentration, and 6.0 mol/L
Explanation: