EXERCISE - Properties of Solutions
Report for Experiment
Concentration of a saturated solution
a- Mass of evaporating dish
b- Mass of evaporating dish and saturated NaCl solution
c- Mass of dish and NaCl after evaporation
Calculate: (Show work. For more space, use the reverse side.)
a- Mass of saturated NaCl solution
b- Mass of NaCl dissolved in the solution
c- Mass of water in the solution
d- Mass % of NaCl in the solution
e- Grams of NaCl per 100g of water
Relative solubility of a solute in two different solvents
Which liquid is more dense, water or cooking oil?
What evidence supports your answer?
What is the color of iodine in water?
What is the color of iodine in cooking oil?
In which solvent was iodine more soluble?
What is the experimental evidence?
Miscibility of liquids
Which liquid pair(s) tested is miscible?
How do you classify the water/mineral oil mixture?
Rate of dissolving versus particle size
Time (seconds) required for fine salt to dissolve
Time (seconds) required for coarse salt to dissolve
What general conclusion can you draw?
Rate of dissolving versus temperature
Did salt dissolve faster under hot or cold conditions?
Length of time (seconds) for salt to dissolve in hot water
Solubility Versus Temperature
Which of the 1.0g solutions is saturated?
Evidence?
Which of the 2.4g solutions is saturated?
Evidence?
Which solid is least soluble at the elevated temperature?
EXERCISE - Gas Laws
A sample of nitrogen gas occupies 28.5 L at STP. How many moles of nitrogen are present?
A 795.0 mL volume of hydrogen gas is collected at 23 oC and 1055 torr. What volume will it occupy at STP?
What would the pressure be of 25.0 g of chlorine gas at -10.0 ºC in a 4.50 L container?
Calculate the density of CH4 at STP.
A volume of 495 mL of argon gas was collected at 21.0 oC and 779 torr. What does this sample weigh?
Attachment:- EXPERIMENT.rar