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Solubility tidbits
Table F
Table G
Concentration
Colligative Properties
100

This is the substance being dissolved

What is the solute? 

100

State the solubility of limestone (CaCO3) in water.

Insoluble

100

Based on Table G, this happens to the solubility of SO2(g) as the temperature increases from 10.oC to 30.oC at standard pressure.

What is the solubility of SO2 decreases?

100

The number of moles of MgCl2 in 5 g.

What is 0.053 moles. 

100

a substance that dissociates into ions in solution resulting in increased electrical conductivity

What is an electrolyte?

200

This type of mixture has a uniform distribution of particles

What is homogeneous?

200

According to Table F, which ions combine with chloride ions to form an insoluble compound?

  1. Fe2+ ions               3. Ca2+ ions
  2. Li+ ions                 4. Ag+ ions

What is Ag+ ions (choice 4)?

200

Based on Table G, determine the mass of KClO3(s) that must dissolve to make a saturated solution in 100. g of H2O at 50.0oC.

What is approximately 22g?

200

The molarity of 2.0 liters of an aqueous solution that contains 0.50 mole of potassium iodide, KI.

What is 0.25M?

200

dissociation factor for K3PO4

What is 3?

300

This term refers to the solid insoluble material that falls out of a solution

What is a precipitate? 

300

Which ion combines with Ba2+ to form a compound that is most soluble in water?

  1. S2−
  2. OH−
  3. CO32−
  4. SO42−

(B.) OH−

300

An unsaturated aqueous solution of NH3 is at 90°C in 100. grams of water. According to Reference Table G, how many grams of NH3 could this unsaturated solution contain?

What is 104g or less?


300

The number of moles of KNO3 that must be dissolved in water to make 3.0 liters of a 4.0 M solution.

What is 12 Moles?

300

the increase is boiling point due to a solute dissolving in a solution is called ____________

What is Boiling Point elevation? 

400

Really weak lemonade is considered _____________, since it has a relatively small amount of solute. 

What is dilute? 

400

Which compound is soluble in water?

  1. PbS
  2. BaS
  3. Na2S
  4. Fe2S3

3) Na2S

400

Based on Table G, which sample, when added to 100. grams of water and thoroughly stirred, produces a heterogeneous mixture at 20.°C?

  1. 20. g of KCl                   3. 20. g of KI

  2. 80. g of KCl                   4. 80. g of KI

What is (2) 80. g of KCl?

400

The concentration of an aqueous solution that contains 1.5 moles of NaCl in 500. milliliters of this solution.

What is 3.0 M?

400
sodium chloride dissolves in water - this happens to the boiling point, while this happens to the freezing point. 

What is boiling point elevates (rises) and freezing point depresses (lowers)?

500

the reason that salt dissolves in water, while oil does not. 

What is like dissolves like? 

What is both salt and water are polar molecules, while oil is nonpolar?

500

Pb(NO3)2 + 2NaI → PbI2 + 2NaNO3

Identify the compound produced that is insoluble in water.

What is PbI2 ?

500

Explain, in terms of molecular polarity, why oxygen gas has low solubility in water. Your response must include both oxygen and water.

Oxygen gas is nonpolar and water is polar

500

The molarity of 2.0 liters of an aqueous solution that contains 82 grams of lithium fluoride, LiF.

What is 1.6M?

500

Has the highest boiling point when dissolved in 1L of H2O.

0.1 mole KI

0.2 mole NaCl

0.2 mole BaCl2

What is 0.2 mole BaCl2 ?