2. A hydrocarbon was found to be 20% hydrogen by mass. If the molar mass is 30 g/mol, what is the molecular formula? A. CH B. CH2 C. CH3 D. C,H, E. C,H.
2. A hydrocarbon was found to be 20% hydrogen by mass. If the molar mass is 30 g/mol, what is the molecular formula? A. CH B. CH2 C. CH3 D. C,H, E. C,H.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question

Transcribed Image Text:2. A hydrocarbon was found to be 20% hydrogen by mass. If the molar mass is 30 g/mol, what is the
molecular formula?
А. СH
В. СН
C. CH3
D. C,H4
E. C2H.
3. If one mole of ammonium perchlorate is allowed to react with excess aluminum, how many molecules of
water will be produced?
3NH,C1O,
+
3A1
Al,O,
3NO
6H2O
А. 3.61 x 1023
В. 1.00 х 1023
C. 6.02 x 1023
D. 1.20 x 1024
E. 3.01 x 1024
4. A mixture containing 0.40 mol Al in contact with 0.75 mol Cl, is ignited in a closed container. Assum ing
complete reaction, which gives the maximum quantity of AICI, produced and quantity of unconsumed
reactant?
A. 0.40 mol AICI, and 0.15 mol Al unreacted
B. 0.40 mol AICI, and 0.15 mol Cl, unreacted
C. 0.40 mol AICI, and 0.35 mol Cl, unreacted
D. 0.50 mol AICI, and 0.10 mol Alunreacted
E. 0.50 mol AICI, and 0.15 mol Cl, unreacted
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps

Recommended textbooks for you

Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning

Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education

Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning

Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY