2.1.3 Amount of substance Flashcards
1
Q
Define the mole
A
The mole is the amount of substance in grams that has the same number of particles as there are atoms in 12 grams of carbon-12.
2
Q
Define molar mass
A
Molar mass is the mass in grams of 1 mole of a substance.
3
Q
Define molar gas volume
A
Molar gas volume is the volume of 1 mole of a gas at a given temperature and pressure.
4
Q
Define empirical formula
A
An empirical formula is the simplest ratio of atoms of each element in the compound.
5
Q
Define molecular formula
A
A molecular formula is the actual number of atoms of each element in a compound.
6
Q
What is a solution?
A
A solution is a mixture formed when a solute dissolves in a solvent. The solvent is usually water and the solute can be a solid, liquid or gas.
