Ch.18 - ElectrochemistrySee 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: Chromium metal can be plated from an acidic solution of CrO 3 CrO3 (aq) + 6 H+ (aq) + 6 e – (aq)  → Cr (s) + 3 H 2O How many grams of chromium will be plated by the passage of 19,300 C ? A. 10.4 B. 5.19 C. 1.73 D. 0.20

Problem

Chromium metal can be plated from an acidic solution of CrO 3

CrO(aq) + 6 H+ (aq) + 6 e  (aq)  → Cr (s) + 3 H 2O

How many grams of chromium will be plated by the passage of 19,300 C ?

A. 10.4

B. 5.19

C. 1.73

D. 0.20