Solutions and Solubility

In an aqueous solution of NaCl, what is the solute?

• Na+
• Cl-
• NaCl
• water

In an aqueous solution of NaCl, what is the solvent?

• Na+
• Cl-
• NaCl
• water

Tags

NGSS.HS-ESS2-5

Glucose remains an intact molecule when it dissolves in water. It is a weak electrolyte.

• True
• False

Tomatoes contain citric acid. If citric acid is a weak acid, it is a weak electrolyte.

• True
• False

Tags

NGSS.HS-PS1-3

Which of the following is NOT a strong electrolyte?

• NaCl
• LiBr
• NaNO3
• NH3

Molarity is in units of M, which is equivalent to:

• g/mol
• g/L
• mol/L
• mol/g

In 100 mL of a 3.0 M aqueous solution of NaCl, how many moles of NaCl are present?

• 0.3 moles
• 3 moles
• 0.03 moles
• 30 moles

Ca(NO3)2 is soluble in water.

• True
• False

MgF2 is soluble in water.

• True
• False

Which of the following is soluble in water?

• CaF2
• CuOH
• PbF2
• NaBr