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: A compound isolated from the rind of lemons is found to be 88.14 % carbon and 11.86 % hydrogen by mass.How many grams of C are there in a 100.1-g sample of this substance?

Solution: A compound isolated from the rind of lemons is found to be 88.14 % carbon and 11.86 % hydrogen by mass.How many grams of C are there in a 100.1-g sample of this substance?

Problem

A compound isolated from the rind of lemons is found to be 88.14 % carbon and 11.86 % hydrogen by mass.

How many grams of C are there in a 100.1-g sample of this substance?

Solution

We are asked to determine how many grams of C are in a 100.1 g sample of a compound isolated from the rind of lemons is found to be 88.14 % carbon and 11.86 % hydrogen by mass.

Step 1: The compound is composed of C and H and we’re given the mass percent of C (88.14% C) and H (11.86% H.) Check if the mass percentages of a compound add up to 100%

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