identify the substances that are likely to dissociate in water. check all that apply. sodium bromide (nabr)…

identify the substances that are likely to dissociate in water. check all that apply. sodium bromide (nabr) potassium hydroxide (koh) magnesium chloride (mgcl₂) silicon dioxide (sio₂) sodium oxide (na₂o)

identify the substances that are likely to dissociate in water. check all that apply. sodium bromide (nabr) potassium hydroxide (koh) magnesium chloride (mgcl₂) silicon dioxide (sio₂) sodium oxide (na₂o)

Answer

Explanation:

Step1: Recall dissociation concept

Ionic compounds dissociate in water.

Step2: Analyze sodium bromide

NaBr is an ionic compound. It dissociates into Na⁺ and Br⁻ in water.

Step3: Analyze potassium hydroxide

KOH is an ionic compound. It dissociates into K⁺ and OH⁻ in water.

Step4: Analyze magnesium chloride

MgCl₂ is an ionic compound. It dissociates into Mg²⁺ and 2Cl⁻ in water.

Step5: Analyze silicon dioxide

SiO₂ is a covalent compound and does not dissociate in water.

Step6: Analyze sodium oxide

Na₂O reacts with water to form NaOH which then dissociates, but Na₂O itself does not simply dissociate in water in the same sense as ionic salts. It first undergoes a chemical reaction.

Answer:

sodium bromide (NaBr), potassium hydroxide (KOH), magnesium chloride (MgCl₂)