Moles and Volumes

N = c x V

n = moles

c = concentration

V = volume (dm3)

4 assumptions for the ideal gas equations

p =

V =

n =

R =

T =

**1cm3 = 1ml****1dm3 = 1000cm3 = 1000ml = 1l****Concentration**is the amount of solute (moles) dissolved in each 1dm3 of solutionN = c x V

n = moles

c = concentration

V = volume (dm3)

**A standard solution**is a solution of known concentration**Creating a standard solution**- Dissolve an exact mass of solute
- Make up solution to exact volume

**Solute**is the solid dissolved in the liquid**Solvent**is the liquid the solid is dissolved in**Solution**is the combination of liquid and solid**Molar gas volume**is the volume per mole of gas molecules at a stated**RTP**is 20oC and 1 atmosphere4 assumptions for the ideal gas equations

- Random motion
- Elastic collision
- Neglible size
- No intermolecular forces

**pV = nRT**p =

**pressure**(Pa)V =

**volume**(m3)n =

**Moles**R =

**Ideal Gas Constant**(8.314Jmol-1k-1)T =

**Temperature**(K)