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Total questions: 15
Worksheet time: 4hrs 45mins
What is an unsaturated solution?
A solution that contains the maximum amount of solution.
A solution that contains less solute than a saturated solution.
The measure of the amount of solute in a solution.
Which compound is an electrolyte?
Nonpolar compounds
Molecular compounds
Ionic compounds
Carbon compounds
What does stirring a solution do to a solvent?
Makes the solution dissolve faster
Lowers the temperature
Decreases the amount of solute
What happens when temperature increases?
solubility decreases and gases decrease
solubility increases and gases decrease
solubility increases and gases increase
neither are affected
If the solubility of a particular solute is 15g/100g H2O at 30oC, which of the following solution concentrations would represent an unsaturated aqueous solution?
14g/100g H2O at 30oC
16g/100g H2O at 30oC
15g/100g H2O at 35oC
15g/100g H2O at 25oC
How much solvent are in a concentrated solution?
A large amount
A small amount
None
How is molarity expressed?
g of solute / g of solution
g of solute / mL of solution
mL of solute / L of solution
moles of solute / L of solution
What is the % (m/m) for a solution if the mass of the solute is 15g and the mass of the solution is 300g?
5%
0.05%
20%
0.2%
What is the concentration, in ppm, of a solution where 0.009g of a pollutant was dissolved in 1000g of water?
9ppm
9.0x10-6 ppm
1ppm
1x106 ppm
To increase the solubility of a gas at constant temperature from 2.0g/L at 250kPa to 3.5g/L, the pressure would have to be increased to ...
437.5
142.9
248
246.5
What is the number of moles of solute in 550mL of a 0.2M solution?
0.11mol
110mol
27.5mol
0.36mol
What mass of HCl is needed to make 4L of a 3M solution?
437.52g
12g
0.329g
36.46g
How many milliliters of a 3.0M NaCl solution are needed to make 500.0mL of 3.5M NaCl?
583.33mL
47.62mL
5.83mL
476.2mL
What is the concentration, in ppm, of a solution where 0.008g of a pollutant was dissolved in 2,000g of water?
4ppm
1ppm
4 x 106ppm
1 x 106ppm
What mass of NaOH is needed to make 500mL of a 5.0M solution?
100g
100,000g
10,000g
1,000g
