Electrolytes and Reactions in aqueous solutions_Ch.4

Which of the following is an example of a strong electrolyte?

• Glucose

• Sodium chloride

• Ethanol

• Urea

What is the molarity of a solution prepared by dissolving 58.5 g of NaCl in enough water to make 1 L of solution? (Molar mass of NaCl = 58.5 g/mol)

• 0.5 M

• 1 M

• 2 M

• 3 M

Which of the following reactions is an example of a precipitation reaction?

Which of the following is a nonelectrolyte?

• Hydrochloric acid

• Sodium hydroxide

• Ethanol

• Potassium nitrate

Tags

NGSS.HS-PS2-5

Tags

NGSS.HS-PS1-2

Which of the following is a redox reaction?

Tags

NGSS.HS-PS1-2

If 200 mL of a 3 M solution is diluted to 600 mL, what is the new concentration?

• 0.5 M

• 1 M

• 1.5 M

• 2 M

Which of the following statements is true about the activity series of metals?

• A metal higher in the series can displace a metal lower in the series from its compound.

• A metal lower in the series can displace a metal higher in the series from its compound.

• All metals can displace hydrogen from acids.

• The activity series is not useful in predicting reaction outcomes.

Explain why a solution of acetic acid is a weak electrolyte.

• It completely dissociates in water.

• It partially dissociates in water.

• It does not dissociate in water.

• It is a strong acid.