its 40
I just took the test right now to get this answer
It's called a compound because different elements are held together by a chemical bond.
Psolution = X · PH_20
= 0.966 · 31.8 torr
= 30.7 torr
<span>The mass of an object is measured in either grams or kilograms. Mass is best described as the amount of matter, or "stuff," in a solid, and is different from weight (which is the force of gravity on an object). Since mass is used with solids, it will be measured in grams or kilograms (rather than in something like liters, which would be used with the volume of a liquid). To measure mass, you can use a balance, for example a triple balance beam.</span>
