Acids
Acids donate hydrogen ions in H2O
True
Bitter taste
Bases
•25.0 mL of HCl is titrated with 0.100 M NaOH. It takes 30.0 mL to reach equivalence. Find [HCl]
.120
•Identify conjugate pairs:
•NH₄⁺ + H₂O ⇌ NH₃ + H₃O⁺
NH₃/NH₄⁺ H₂O/H₃O⁺
If [H⁺] = 1 × 10⁻³, what is pH?
3
Acids turn litmus paper this color
Red
•If pH = 2.7, what is [H⁺]?
•Use 10^-pH
.002 or 2.0x10-3
During a phenolphthalein test acids are
Clear
Hydroxides are produced
Bases
The further left you go on the pH scale the more of these ions you have
Hydrogens
During phenolphthalein test bases turn
Pink
Weak acids ionize 100% in water
LiOH is a strong base