Solutions Unit in Chemistry

A solution that is able to conduct electricity is _____________, and an example is ____________

• an electrolyte, HCl

• a non-electrolyte, glucose (C₆H₁₂O₆)

• an electrolyte, glucose (C₆H₁₂O₆)

• a non-electrolyte, HCl

Aqueous solutions that do not break apart into ions are

• electrolytes

• non-electrolytes

• solutions

• conductive

If a substance is not able to dissolve in water, it is considered soluble

• True

• False

When dissolved in water, the compound magnesium fluoride (MgF₂) is

• soluble

• non-soluble

When dissolved in water, the compound francium carbonate (Fr₂CO₃) is

• soluble

• non-soluble

Breaking intermolecular bonds of a nonelectrolyte, molecular solution in water is called

• ionization

• dissociation

• dissolving

Soluble ionic compounds breaking apart into their ions while in water is called

• ionization

• dissociation

• dissolving

Acids ionizing and releasing a H⁺ ion is called

• ionization

• dissociation

• dissolving

Ca(OH)_{2 (aq)} --> Ca²⁺_(aq) + OH^-_(aq)

^{The reaction above is an example of:}

• ionization

• dissociation

• dissolving

What is the concentration of a solution if 15.8 g of calcium sulfide is dissolved in 1.3 L of water.

• 0.117 mol/L

• 0.168 mol/L

• 0.200 mol/L

• 1.68 mol/L