What Is the Molar Mass of Phosphorus Pentachloride (PCl₅)

question 81

Multiple Choice

What is the molar mass of phosphorus pentachloride (PCl₅) ?

• A)177.25 g/mol
• B)190.30 g/mol
• C)208.22 g/mol
• D)172.75 g/mol
• E)202.82 g/mol

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Definitions:

Prokaryotes

Single-celled organisms without a distinct nucleus or specialized organelles, including bacteria and archaea.

Protobionts

Aggregates of abiotically produced molecules surrounded by a membrane-like structure, thought to be precursors to the first living cells.

Polypeptides

Chains of amino acids that form the building blocks of proteins, critical for various biological functions within organisms.

Microspheres

Tiny spherical particles, often of microscopic size, used in various applications from drug delivery systems to cosmetics, consisting of a polymer shell enclosing a vacuum or a solid substance.