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QUESTION IMAGE

there are four unknown compounds that are labeled w, x, y, and z. only …

Question

there are four unknown compounds that are labeled w, x, y, and z. only substance y is soluble in water. compound y could be iron oxide. zinc hydroxide. silver oxide. potassium bromide.

Explanation:

Brief Explanations
  • Los óxidos de hierro (\(Fe_2O_3\)), de zinc (\(ZnO\)) y de plata (\(Ag_2O\)) son insolubles en agua.
  • El bromuro de potasio (\(KBr\)) es un salto soluble en agua. Al disolverse en agua, se disocia en iones \(K^+\) y \(Br^-\).

Answer:

potassium bromide.