Question

is the compound soluble or insoluble in water?
na₂cro₄
sodium chromate
soluble (aq)
insoluble (s)

Explanation:

Step1: Recall solubility rules

Salts containing alkali metal ions (like \(Na^+\)) are generally soluble.

Step2: Analyze \(Na_2CrO_4\)

\(Na_2CrO_4\) has \(Na^+\) ions. According to solubility rules, salts with \(Na^+\) are soluble in water.

Answer:

soluble (aq)