Chemistry - Acids, Bases, Titrations

Describe an acid and a base.

An acid is a proton (H+) donor,

A base is a proton(B+) acceptor

Strongly acidic solutions(0-3)

HCl, HNO3, H2SO4

Weakly acidic(4-6)

CH3COOH (ethanoic acid)

Neutral

H2O, NaCl

Weakly alkaline(8-10)

NH3, Ca(OH)2, Mg(OH)2

Strongly alkaline(11-14)

NaOH, KOH

Litmus paper in acid, neutral, and base

Red, No change, Blue

Methyl orange in acid, neutral and alkali

red, orange, yellow

Phenolphthalein in acid, neutral and alkali

Colourless, colourless, pink

(liquid)Universal indicator in acid, neutral and base

ROY, green, BP

Acid + Metal

Salt + Hydrogen

Acid + Metal Hydroxides

Salt + Water

Acid + Metal oxides

Salt + Water

Acid + Metal carbonate

Salt + CO2 + Water

Acid + Metal hydrogen carbonate

Salt + CO2 + Water

Alkali + nonmetallic (acidic) oxide

Salt + Water