exp 4 Flashcards
1
Q
homogenous mixtures of two or more substances
A
solutions
2
Q
major species in a solution because it is present in large amount
A
solvent
3
Q
minor species because they are present in smaller amounts
A
solutes
4
Q
________ dissolves the solute
A
solvent
5
Q
solvent dissolves _______
A
solute
6
Q
most solutions are ___
A
liquids
7
Q
The rule “_______” means that polar solutes will dissolves in polar solvents and non-polar solutes will dissolve in non-polar solvents
A
like dissolves like
8
Q
For ________, the temperature plays a relevant role in the amount of solute that will be dissolved
A
Aqueous solutions
9
Q
Exp 4: materials needed
A
- stirring rod
- test tubes
- test tube rack
10
Q
Exp 4: 9 reagents?
A
- ammonium chloride, NH4Cl
- carbon tetrachloride, CCl4
- distilled water
- ethanol, CH3CH2OH
- iodine crystals
- naphthalene
- sodium chloride, NaCl
- Urea
11
Q
CCl4?
A
Carbon Tetrachloride
12
Q
NH4Cl
A
Ammonium Chloride
13
Q
Cu2SO4
A
Copper (II) sulphate
14
Q
CH3CH2OH
A
Ethanol
15
Q
NaCl
A
Sodium Chloride
