Assume That Acid Rain Has Lowered the PH of a Particular

question 45

Multiple Choice

Assume that acid rain has lowered the pH of a particular river to pH 5.0. What is the hydroxide ion concentration of this river?

• A) 1 × 10^-9 mol of hydroxide ions per litre of river water
• B) 1 × 10^-5 mol of hydroxide ions per litre of river water
• C) 5.0 M hydroxide ion
• D) 5.0 × 10^-5 mol of hydroxide ions per litre of river water

---

Definitions:

Battered Child Syndrome

A medical condition in which physical signs of repeated abuse are found on a child's body, indicative of serious injuries caused by violence or negligence.

Child Maltreatment

Includes physical, sexual, and emotional abuse, as well as neglect of a child by a caregiver or parent.

Permanency Planning

A social work practice aimed at ensuring children in foster care or the welfare system have stable, long-term living situations with nurturing caregiver(s).

Tertiary

Pertaining to the third level or stage in a series, often used to describe the third level of education, which follows secondary education.