Hard water, which contains Mg²⁺ and Ca ²⁺ ions, tends to form a ring in a bathtub due to its reaction with the soluble anions in soap.The formation of this insoluble material is an example of

Question

Quizplus · Accepted Answer

The formation of an insoluble material (such as soap scum) from the reaction of hard water (which contains magnesium and calcium ions) with soap is an example of a precipitation reaction. This occurs when the ions from hard water react with the anions in soap to form an insoluble compound that precipitates out of solution.

Hard Water, Which Contains Mg2+ and Ca 2+ Ions, Tends

Hard Water, Which Contains Mg²⁺ and Ca ²⁺ Ions, Tends