Avogadro’s Constant and The Mole Flashcards
1
Q
What is Avogadro’s Constant?
A
6.022 x 10^23
2
Q
What is a mole?
A
amount of substance which contains 6.022 x 10^23 particles
3
Q
How do we calculate number of moles?
A
mass(g) / Mr(g)
4
Q
What is a solution?
A
solvent with dissolved solute
5
Q
What is a solute?
A
substance which dissolves in solvent to form solution
6
Q
What is a solvent?
A
liquid in which solute dissolves to form solution
7
Q
What are the units for concentration?
A
moldm-3
8
Q
How do we calculate concentration?
A
number of moles / volume (dm3)
9
Q
How is the number of moles found from concentration and volume?
A
concentration(moldm-3) x volume (dm3) / 1000
10
Q
How do we convert m3 to cm3?
A
x 10^6
11
Q
How do we convert from cm3 to dm3?
A
x10^-3
12
Q
How do we convert from kg to g?
A
x10^3
