How do we know the mass of a planet originally appeared on Quora - the knowledge sharing network where compelling questions are answered by people with unique insights.

In The Empire Strikes Back, Luke does a one-armed handstand with Yoda balanced on his foot. Using this, I can estimate the mass of Yoda.

Students learn how to calculate the percent yield for a chemical reaction. Mass/Mass Stoichiometry: Problems and Percent Yield: Students learn how to calculate the percent yield for a chemical ...