Construct models and/or animations to communicate the differences between strong, weak, concentrated and dilute acids and bases

Differences between concentrated and dilute acids

Concentrated Acids Dilute Acids
Have relatively large amount of solute dissolved in solvent Have less amount of solute dissolved in solvent
Have higher Ka value Have low Ka value
pH ranges from 1 – 3.5 pH ranges from 4 – 7

Differences between weak and strong acids

Strong Acids Weak Acids
Completely dissociate in water to produce H+ Dissociate partially in aqueous solution
Have lower pH value (0 – 1) Have lower pH value (5 – 7)
Are mostly inorganic acids; Example: HCl, HNO3, H2SO4 etc. Are mostly organic acids; Example: HCOOH, CH3COOH etc.

Differences between concentrated and dilute bases

Concentrated Bases Dilute Bases
Have relatively large amount of basic solute dissolved in solvent Have less amount of solute dissolved in solvent
Have higher Kb value Have low Kb value
pH ranges from 7 – 10 pH ranges from 12 – 14

Differences between weak and strong bases

Strong Bases Weak Bases
Completely dissociate in water to produce OH- Dissociate partially in aqueous solution
pH ranges from 7.3 – 10 pH ranges from 10 – 14
Have higher electrical conductivity Have lower electrical conductivity
Example: NaOH, KOH, Ca(OH)2 etc. Example: Hydrazine, alanine, dimethylamine etc.