Weak Acids and Bases (Leaving Cert Chemistry): Flashcards

Partially dissociate into ions in water

Lies towards undissociated acid

Ethanoic acid $CH_3COOH$

Carbonic acid $H_2CO_3$

Citric acid

Ammonia $NH_3$

Methylamine $CH_3NH_2$

$[H^+] = \sqrt{K_a \times M_a}$

$[OH^-] = \sqrt{K_b \times M_b}$

Acid dissociation constant

Base dissociation constant

$pH = -\log [H^+]$

$pOH = -\log [OH^-]$

$pH + pOH = 14$

60 g/mol