Observations

1
Observations
1 Distilled H2O --
2 Tap water --
3 NaCl 5
4 CuSO4 5
5 Sugar 5
6 Alcohol 5
7 HCl 5
8 HCl 1
9 HC2H3O2 5
10 HC2H3O2 1
11 NaOH 5
12 NaOH 1
13 HC2H3O2 17.4
non
weak

• HC2H3O2(aq)
• acetic acid
• HCl(aq)
• hydrochloric acid
• NaOH(aq)
• sodium hydroxide
• CuSO4(aq)
• copper(II) sulfate

strong
strong
non
non
strong
strong
weak
weak
strong
strong
non
2
Answers

• An electrolyte is a compound that, in aqueous
  solution, conducts electricity. As liquids
  salts, bases. When aq salts, acids, bases.
• HCl(aq) H(aq) Cl (aq)
• NaOH(aq) Na(aq) OH(aq)
• CuSO4(aq) Cu2(aq) SO42(aq)
• Acid a compound that ionizes in water to form
  hydrogen ions. Base an ionic hydroxide that
  dissociates in water to produce hydroxide ions.
• By placing H in front it indicates that the
  compound is an acid (that H comes off as H).

3
Answers

1. Dissociation occurs when a (ionic) compound
   breaks into its ions in water. Ionization occurs
   when a neutral atom or molecule is converted into
   an ion (e.g. by water). Ionic compounds and
   bases dissociate. Acids ionize.

4

• HC2H3O2 is an acid in solution it is ionized by
  H2O, providing ions that conduct electricity.
  When its pure, theres no water it cant
  ionize.
• A strong acid has a greater percentage
  ioniza-tion (most molecules are converted to
  ions).
• The of molecules that form ions in solution.
• HCl was a strong acid. HC2H3O2 was weak.
• In the lab, 1 M HCl conducted strongly, 5 M
  HC2H3O2 weakly. 1 M HCl had more ions.
• HCl(aq), HNO3(aq), H2SO4(aq), HBr(aq)
• A anion, M metal

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H2SO3
acid,
KOH
base,
CH3OH
other,
HC3H5O2
acid,
Na2C2H3O2
salt,
Ba(OH)2
base