Chapter 18 Flashcards
1
Q
define one mole
A
the amount of substance (in g) that contains the same number of particles as 12g of the most common isotope of carbon
2
Q
how much is one mole equal to?
A
6,02 X 10^23
3
Q
define molar mass
A
the mass in grams of one mole of that substance
4
Q
define concentration
A
the amount of solute per unit volume of solution
5
Q
what’s avogadro’s hypothesis
A
Equal volumes of all gases at the same temperature and pressure contain equal numbers of molecules
