Which of the following compounds is least soluble in water? Copper (II) chloride, aluminum acetate, iron (III) hydroxide, or potassium sulfate.
What is iron (III) hyroxide
100
What is the relationship between solubility and temperature of a gas?
What is as temperature increases, solubility decreases
100
This is the formula for Molarity.
What is moles of solute/Liters of solution
100
These two terms explain how a solvent is affected when a solute is added
What is boiling point elevation and freezing point depression
200
This is the substance that does the dissolving
What is solvent
200
According to Table F, which of these compounds is the least soluble in water? K2CO3, KC2H3O2, Ca3(PO4)2, or Ca(NO3)2?
What is Ca3(PO4)2
200
Polar substances will not dissolve which type of substance?
What is non polar substance
200
Determine the molarity when 3.0 moles of sucrose are dissolved to make 2.0 liters of solution.
What is 1.5 M
200
Compare the boiling point and freezing point of a 2.0 M aqueous solution of NaCl at 1 atmosphere, to a 3.0 M aqueous solution of NaCl at 1 atmosphere
What is 3.0 M will have an increased boiling point and decreased freezing point compared to the 2.0 M solution
300
Other than stirring and increasing the temperature, what is the third factor that increases the rate of dissolving.
What is increasing the surface area
300
Which ion when combined with bromide ions, forms an insoluble substance in water? Fe2+, Mg2+, Pb2+, or Zn2+?
What is Pb2+
300
This type of solution is a temporary situation, caused by slowly cooling a saturated solution.
What is supersaturated solution
300
Determine the number of moles of salt dissolved in 300 milliliters of a 0.50M solution of salt water.
What is 0.15 moles
300
How are the boiling and freezing points of a sample of water affected when salt is dissolved in the water
What is the boiling point increases and the freezing point decreases
400
NaBr(aq). Identify the solute.
What is NaBr.
400
Which of these saturated solutions has the lowest concentration of dissolved ions? NaCl, MgCl2, NiCl2, or AgCl?
What is AgCl
400
Which compound forms a saturated solution at 40 degrees Celsius that contains 46 grams per 100 grams of water? KNO3, NH4Cl, NaNO3, or KCl?
What is NH4Cl
400
Determine the molarity when 117g of NaCl are dissolved to make 0.500 liters of solution.
What is 4.0 M
400
How do we observe freezing point depression in nature?
What is oceans don't freeze due to salt content
500
A solution of KNO3 and water is made. When a filtration device is used, what remains on the filter paper.
What is nothing.
500
Which compound when stirred will not pass through filter paper? Hg2Cl2, MgCrO4, Na3PO4, or Na2S?
What is Hg2Cl2.
500
An unsaturated solution is formed when 80 grams of a salt is dissolved in 100 grams of water at 40 degrees Celsius. This salt could be KCl, KNO3, NaCl, or NaNO3?
What is NaNO3
500
Determine the molarity when 55.5g of CaCl2 are dissolved to make 250.mL of solution.
What is 1.92 M
500
Which solution has the highest boiling point at standard pressure?
(1) 0.10 M KCl(aq)
(2) 0.10 M K2SO4(aq)
(3) 0.10 M K3PO4(aq)
(4) 0.10 M KNO3(aq)