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...
icon
Related questions
Question
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
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
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY