The density of a sample that a mass of 10.740 g and a volume of 5.0 ml is ?

Asolid that forms and separates from a liquid mixture is called

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.