Ch.3 - Chemical ReactionsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas.        2 Al(s) + 6 HCl(aq) → 2 AlCl3(aq) + 3 H2(g)What mass of H2(g) is produced from the reaction of 0.75 g Al(s) with excess hydrochloric acid?a. 0.056 gb. 0.084 gc. 0.17 gd. 1.1 ge. 2.3 g 

Problem

Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas.

        2 Al(s) + 6 HCl(aq) → 2 AlCl3(aq) + 3 H2(g)

What mass of H2(g) is produced from the reaction of 0.75 g Al(s) with excess hydrochloric acid?

a. 0.056 g

b. 0.084 g

c. 0.17 g

d. 1.1 g

e. 2.3 g