Aqueous Solutions

How many moles of ions are produced when 1 mol of magnesium chlorate are dissolved in water?

• 1 moles of ions

• 2 moles of ions

• 3 moles of ions

• 4 moles of ions

Tags

NGSS.HS-PS1-7

The separation of ions that occurs when an ionic compound dissolves is

• ionization

• dissociation

• electronegativity

• spectation

Tags

NGSS.HS-PS1-3

They process in which ions are formed from molecules when they are dissolved in solution.

• dissociation

• ionization

• spetation

• electronegativity

What determines whether a polar molecule will bi ionized in a polar solvent?

• the attraction of the polar solvent is stronger than the covalent bond in the solute

• the attraction of the polar solvent is weaker than the covalent bond in the solute

• only non-polar molecules are ionized

• molecular compounds are never ionized

If an electrical current can run through a solution, it is said to contain

• magic

• spectator ions

• electricity

• electrolytes

Tags

NGSS.HS-PS2-5

Ba(OH)₂

• strong electrolyte

• weak electrolyte

• non - electrolyte

Dissociation equations cannot be written for insoluble compounds.

• False

• True

Precipitation occurs when the attraction between the ions is ___________ than the attraction between the ions and surrounding water molecules.

• smaller

• greater

• slower

• lighter

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

Ions that take part in a chemical reaction and are found in solution only on the reactants' side are spectator ions.

• False

• True

The H+ ion attracts other molecules or ions in solution very _________________ that it does not normally exist ________________ .

• weakly, alone

• strongly, together

• strongly, together

• strongly alone