Acids + Bases Flashcards
Define an acid
Proton donor
Define a base
Proton acceptor
Define a strong acid
Acid which fully dissociates
Define a weak acid
Acid which partially dissociates
HCl(aq) + Na(s) —->
Acid + Metal —->
NaCl(aq) + H2(g)
Salt + Hydrogen
HNO3(aq) + K2O(s) —->
Acid + Metal Oxide —->
KNO3(aq) + H2O(l)
Salt + Water
H3PO4(aq) + NaOH(s) —->
Acid + Metal Hydroxide —->
Na3PO4(aq) + H2O(l)
Salt + Water
H2SO4(aq) + Na2CO3(s) —->
Acid + Metal Carbonate —->
Na2SO4(aq) + CO2)g) + H2O
Salt + CO2 + Water
NH3(g) + HCl(aq) —->
Use of product?
Acid + Ammonia —->
NH4Cl(aq)
Fertiliser
Ammonium Salt
Dissociation of:
- HCl(aq) —->
- H2SO4(aq) —->
H+ + Cl- <——– monoprotic
2H+ + SO42- <——– diprotic
What is it called when water acts as a base and an acid?
Amphoteric
Calculate pH?
Calculate [H+]
Ka=
Also = [H+]^2
————-
[HA]
Kw=
Pure water is always neutral as [H+]=[-OH]
PKa=
