Is It Soluble

When solutions of two ionic compounds are combined and a solid forms, the process is called

• hydration

• solvation

• dissociation

• precipitation

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)

Which of the following pairs of solutions produces a precipitate when combined?

• Cu(NO₃)₂ and NaCl

• Fe(NO₃)₃ and MgCl₂

• Cu(NO₃)₂ and K₂CO₃

• CaCl₂ and NaNO₃

When solutions of MgCO₃ and Fe₂(SO₄)₃ are combined, what precipitate(s) forms?

• MgSO₄

• neither form a precipitate

• MgSO₄ and Fe₂(CO₃)₃

• Fe₂(CO₃)₃

Which of the following compounds is INSOLUBLE?

• magnesium phosphate

• magnesium sulfate

• magnesium iodide

• magnesium nitrate

• none of the above

KBr

• Soluble
• Insoluble