At 20°C the Density of Mercury Is 13

question 8

Multiple Choice

At 20°C the density of mercury is 13.6 g/cm³. What is the mass of 97.8 mL of mercury at 20°C?

• A) g
• B) 7.19 g
• C) 1.00 g/mL
• D) 0.139 g
• E) none of these

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Definitions:

Catalytic Base

A substance that increases the rate of a chemical reaction by providing an alternative reaction pathway with lower activation energy, and which participates in the reaction as a base (accepting protons).

2-methylcyclohexanone

An organic compound consisting of a six-membered ring with a ketone functional group and a methyl group attached.

Enolate

An ion formed by the deprotonation of an alpha carbon of a carbonyl compound, involved in many important organic reactions.

Carbonyl

A functional group characterized by a carbon atom double-bonded to an oxygen atom (C=O).