Solubility Quiz

Based on Table G, which compound has the greatest solubility in 100. grams of water at 10.ºC?

• HCl

• NaCl

• KCl

• NH4Cl

At STP, which property can be used to differentiate a 10.-gram sample of NaCl(s) from a 10.-gram sample of NaNO3(s)?

• mass of the sample

• temperature of the sample

• solubility in water

• phase at STP

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

• Fe2+ ion

• Ca2+ ions

• Li+ ions

• Ag+ ions

Which compound is insoluble in water?

• BaSO4

• CaCrO4

• KClO3

• Na2S

According to Reference Table F, which substance is most soluble?

• AgI

• CaSO4

• PbCl2

• (NH4)2CO3

Based on Table G, what is the mass of KCl that must be dissolved in 200. grams of H2O at 10.ºC to make a saturated solution?

• 15 g

• 30 g

• 60 g

• 120 g

Based on Table G, which compound is less soluble in water as the temperature increases from 0ºC to 100ºC?

• KNO3

• NH3

• KClO3

• NH4Cl

Based on Table G, which solute sample in 100 g of water at 40.ºC can produce a solution equilibrium in a closed system?

• 10 g KClO3

• 25 g NaCl

• 45 g KCl

• 55 g KNO3

At standard pressure, which substance becomes less soluble in water as temperature increases from 10.ºC to 80.ºC?

• HCl

• KCl

• NaCl

• NH4Cl

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

• 5 g

• 10 g

• 15 g

• 20 g