What Is the Mass (In Grams) of One Molecule of Phosphorus

question 41

Multiple Choice

What is the mass (in grams) of one molecule of phosphorus pentachloride?

• A) 1.25 × 10²⁶ g
• B) 3.46 × 10^-22 g
• C) 1.10 × 10^-22 g
• D) 208.22 g
• E) 1.00 g

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Definitions:

Gene

A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

RNA Nucleotides

The basic structural units of RNA, composed of a nitrogenous base, a ribose sugar, and a phosphate group.

Triphosphates

Organic compounds that contain three phosphate groups and are involved in energy transfer within cells, ATP being the most notable example.

Transcription

The process by which the genetic information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).