Phosphorus Pentachloride, a White Solid That Has a Pungent, Unpleasant

question 59

Multiple Choice

Phosphorus pentachloride, a white solid that has a pungent, unpleasant odor, is used as a catalyst for certain organic reactions. Calculate the number of moles in 38.7 g of phosphorus pentachloride.

• A) 5.38 mol
• B) 3.55 mol
• C) 0.583 mol
• D) 0.282 mol
• E) 0.186 mol

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Definitions:

Economies of Scope

Cost advantages that enterprises obtain due to efficient utilization of resources across multiple products or services.

Myelencephalon

Most caudal portion of the embryonic brain; also called medulla oblongata.

Mesencephalon

Midbrain in both the embryo and adult; consists of the cerebral peduncle and the corpora quadrigemini.

Diencephalon

Second portion of the embryonic brain; in the inferior core of the adult cerebrum.