Phosphate Ions, ^3-, Were Once Added to Detergents to Assist

question 149

Multiple Choice

Phosphate ions, ^3-, were once added to detergents to assist in cleaning. What function did they serve?

• A)Phosphate ions were relatively good at removing grease by binding with large nonpolar molecules.
• B)Phosphate ions were large enough to bind with the large grime molecules and remove them.
• C)Phosphate ions would bind to and remove calcium ions, thus acting as a water softening agent.
• D)Phosphate ions would reduce the growth of algae in aquatic habitats receiving the waste water.

---

Definitions:

Standard Deviations

The measure of the dispersion or spread of data points in a data set from its mean, reflecting how much variation there is from the average.

Data Set

A collection of related sets of information that is composed of separate elements but can be manipulated as a unit by a computer.

CAT Mnemonic

A memory aid used to recall specific information, but without more context, the exact application of "CAT" cannot be determined.

Accomplish Change

To accomplish change means to successfully bring about a difference in someone's behavior, thoughts, or circumstances through deliberate efforts or interventions.