Mole Concept Flashcards
1
Q
What is a mole?
A
The SI unit for the amount of substance.
2
Q
What is avogadro’s number?
A
The number of particles in a mole. Na=6,02x(10^23) mol^-1
3
Q
What is molar mass?
A
The mass of one mole of the given substance.
4
Q
How do you calculate the molar mass of a substance?
A
Add the relative masses (found on the periodic table) of each of the elements in the formular of the substance together.
5
Q
What do each of the symbols in the equation mean n=m/M
A
n= number of moles
m=mass of substance you have
M=molar mass of the substance (periodic table)
