More information on Acids and Bases on this worksheet or these notes.
You put a substance in water and it makes H+ ions.
You put a substance in water and it makes OH- ions.
Has an equal amount of H+ and OH- ions.
Vinegar, HCl in water, Lemon juice
Soap, Ammonia, Baking soda
Distilled water; salt water.
Has a pH from 0 to 7.
Has a pH from 7 to 14.
Has a pH of 7.
A substance with a pH of 3.2.
A substance with a pH of 12.2.
You need a pH of 8.2. If your sample has a pH of 10.5, what do you add?
You need a pH of 6. Your sample has a pH of 2.5. What do you add?
Increases the pH
Lowers the pH
Has fewer OH- ions.
Has fewer H+ ions.
Feels slippery and tastes bitter.
Feels "squeeky clean" and tastes sour.
Occurs when you mix equal amounts of acids and bases.
lower pH
Higher pH
HCl, H2(SO4), H3PO4: these substances put in water will be:
NaOH; Ca(OH)2; LiOH: these substances put in water will be: