Consider the Reaction of Magnesium Metal with Hydrochloric Acid to Produce

question 28

Multiple Choice

Consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 3.85 mol of magnesium and 3.85 mol of hydrochloric acid are reacted, how many moles of excess reactant are left over?

• A) 7.70 mol
• B) 3.85 mol
• C) 2.89 mol
• D) 46.8 mol
• E) 1.93 mol

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Definitions:

Mountain

A natural elevation of the Earth's surface rising significantly above the surrounding landscape, often formed through tectonic forces or volcanism.

Uplifted

Refers to regions of the Earth’s crust that have been raised vertically, often due to tectonic processes.

Asthenosphere

The semi-fluid layer of the Earth's mantle beneath the lithosphere which allows for plate movement and is involved in convective processes within the Earth.

Lithosphere

The rigid outer layer of the Earth, comprising the crust and the upper part of the mantle.