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. Answer by Geoffrey Widdison on ...

The relative atomic masses of elements are proportional measures. For example, the Ar for helium is 4.0, and the A r for carbon is 12.0. This means that carbon atoms have three times the mass of ...

To calculate the mass of a higher number of moles, or even calculate the number of moles in a certain mass, a formula triangle can be used. Using the formula triangle is straightforward. Simply cover ...

There are various ways to estimate muscle mass percentage. These include using medical equipment, calculating body fat percentage, and measuring certain areas of the body. Maintaining a healthy ...