3.3 - Moles and volume Flashcards
1
Q
1000cm3 =
A
1dm3
2
Q
Formula for moles (2)
A
Moles = Concentration * Volume
3
Q
Standard solution
A
Known concentration
4
Q
Preparing a standard solution
A
Dissolving an exact mass of a solute in a solvent = exact volume of solution
5
Q
At same temperature and pressure
A
Equal volumes of different gases have the same number of molecules
6
Q
Molar Volume
A
Volume per mole of a gas molecules at a stated temperature and pressure
(RTP)
7
Q
RTP for molar gas volume
A
24.0dm3 mol-1
8
Q
Formula for moles (3)
A
Volume
Moles = ———————————————————————–
Molar gas volume
9
Q
Ideal gas Equation
A
- Random motion
- Elastic collisions
- Negligible size
- No intermolecular forces
10
Q
Formula for Ideal gas equation
A
pV=nRT Pressure = 101x10^3 PA Volume = 24.0x10^-3 Moles = 1mol R = 8.31 J Mol-1 Temperature = +273
