How Many Grams of H₂ Gas Can Be Produced by the Reaction

question 4

Multiple Choice

How many grams of H₂ gas can be produced by the reaction of 54.0 grams of Al(s) with an excess of dilute hydrochloric acid in the reaction shown below?
2 Al(s) + 6 HCl(aq) → 2 AlCl₃(aq) + 3 H₂(g)

• A)2.68 g
• B)4.04 g
• C)6.05 g
• D)12.1 g

---

Definitions:

Classically Conditioned Associations

Refers to the learning process that occurs when two stimuli are repeatedly paired together; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Cerebellum

is a part of the brain that plays a major role in motor control, balance, coordination, and fine-tuning of movements.

Semantic Memories

A type of long term memory involving the capacity to recall words, concepts, or numbers, which is essential for the use and understanding of language.

Basal Ganglia

Neural structures in the brain crucial for regulating voluntary motor movements, procedural learning, and decision-making, among other functions.