Anything that has mass and volume (takes up space) is called matter.
Answer:
Expand
Explanation:
When you heat up a substance it expands
Answer:
There are 0.00523 moles of oxygen in 0.150 grams of calcium sulfate crystal.
Explanation:
Mass of calcium sulfate crystal = m = 0.150 g
Molar mass of calcium sulfate crystal = M = 172 g/mol
Moles of magnesium nitrate = n


1 mole of calcium sulfate crystal has 6 moles of oxygen atoms. Then 0.004446 moles calcium sulfate crystal will have :

There are 0.00523 moles of oxygen in 0.150 grams of calcium sulfate crystal.
Movement of molecules from an area of higher concentration to one of lower concentration is called Diffusion