Anna Is Conducting an Experiment Using a PH Indicator That

question 3

Multiple Choice

Anna is conducting an experiment using a pH indicator that is red at low pH, green at neutral pH and purple at high pH. She starts with a green solution. When she adds compound X to her solution it turns purple. Then she adds compound Z to the solution and it turns green. She adds more Z, the solution remains green. These observations suggest X is ________ and Z is ________.

• A) a base; a buffer
• B) an acid; a base
• C) a base; a strong acid
• D) an acid; a buffer
• E) a buffer; a base

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Definitions:

Lose Control

Occurs when an individual or group no longer retains authoritative command or influence over an entity or situation.

Goodwill

An intangible asset representing the value of a business's reputation, customer relations, and other non-physical assets.

ADR

Alternative Dispute Resolution; a process to resolve disputes outside of the judicial process, including mediation and arbitration.

Adjudication

The legal process of resolving a dispute or deciding a case by a court or other judicial entity.