Solubility Precipitation

An aqueous solution is:

• any liquid with another compound dissolved in it.

• an ionic compound with water dissolved in it.

• water with another compound dissolved in it.

• none of the above

Which of the following compounds is SOLUBLE?

• copper carbonate

• calcium carbonate

• potassium carbonate

• strontium carbonate

When solid NaCl is stirred into water, which of the following is NOT true?

• Individual sodium and chloride ions are present.

• The solution will conduct electricity.

• The solution will taste salty.

• The NaCl will fail to dissociate.

Tags

NGSS.HS-PS2-5

In writing the chemical equation for a precipitation reaction, what abbreviation of the physical state must appear with one of the products?

• (s)

• (g)

• (l)

• (w)

What would be the formula of the precipitate that forms when Pb(NO₃)₂ (aq) and 2KI (aq) are mixed?

• K(NO₃)₂

• PbI₂

• PbK₂

• H₂O

Tags

NGSS.HS-PS1-1

In water, calcium chloride is

• soluble

• insoluble

• none of the above

Tags

NGSS.HS-ESS2-5

The solubility chart refers to compounds being soluble in

• Ethanol

• Methanol

• Water

• Saline (salt water)

Which statement is true?

• Only insoluble compounds form precipitates.

• Precipitates can be in solution.

• Precipitation reactions describe two solutions containing insoluble compounds combined.

Which of the following describes a double displacement reaction?

• A + B --> AB

• AB + C --> AC + B

• AB + CD --> AD + BC

• AB + CD --> AD + CB

Which of the following compounds is INSOLUBLE?

• magnesium phosphate

• magnesium sulfate

• magnesium iodide

• magnesium nitrate

• none of the above