When sodium hydroxide, NaOH, is dissolved in water, which species are present in addition to water? A)NaOH(aq) B)Na⁺(aq)and OH⁻(aq) C)Na⁺(aq)and H₃O⁻(aq) D)Na⁺(aq)and O₂H₂²⁻(aq) E)NaO⁻(aq)and H₃O⁺(aq)

Question

Quizplus · Accepted Answer

When sodium hydroxide, NaOH, is dissolved in water, the species present in addition to water are the cation Na+ and the anion OH-. Therefore, choice B is the best option as it includes both Na+ and OH-. Choices C, D, and E include additional species that are not present when NaOH is dissolved in water. Choice A only includes NaOH and does not include the separate Na+ and OH- ions.

When Sodium Hydroxide, NaOH, Is Dissolved in Water, Which Species