Solution Guidelines DN

Which of the following is most soluble in water?

• PbCl2

• NaNO3

• FePO4

• CaCO3

Which of the following is the weakest electrolyte

• Na2CO3

• LiBr

• MgNO3

• CaSO4

A 1-gram sample of a compound is added to 100 grams of water and stirred. Some of the compound is then separated from the mixture by filtration. Based on the Solubility Guidelines the compound most likely is?

(Hmmmm... if you can filter it, it is a solid, which is to say it does not dissolve, which is to say it is insoluble...your welcome!)

• NaCl

• CaCl2

• AgCl

• NiCl2