6. How many molecules of aluminum chloride are produced when 72.0g of hydrochloric acid (HCI)is reacted with excess aluminum?6HCI + 2AI ----> 2AlCl3 + 3H₂Answer 3.96 x 1023 molecules7. How many grams of carbon must be burned to produce 100.0 grams of carbon dioxide?C + O₂ -> CO₂Answer 27.29 grams* C (39)8. Zinc was dropped into a solution containing 100.0 g of HCI. How many moles of hydrogen gaswas produced?(og)Zn + 2HCI ----> ZnCl₂ + H₂2C₂H6 + 702 ----> 4CO₂ + 6H₂OAnswer 1.37 moles9. If 0.67 moles of ethane gas (C₂H6) is burned completely, calculate the percent yield if 52.5 gramsof CO₂ were obtained from the reaction.Answer 89.02%solution. Equilibriums between theacid in solution,(HC10mCa1P2

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6. How many molecules of aluminum chloride are produced when 72.0g of hydrochloric acid (HCI) is reacted with excess aluminum? 6HCI + 2AI ----> 2AlCl3 + 3H₂

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...

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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

6. How many molecules of aluminum chloride are produced when 72.0g of hydrochloric acid (HCI)
is reacted with excess aluminum?
6HCI + 2AI ----> 2AlCl3 + 3H₂
Answer 3.96 x 1023 molecules
7. How many grams of carbon must be burned to produce 100.0 grams of carbon dioxide?
C + O₂ -> CO₂
Answer 27.29 grams
* C (39)
8. Zinc was dropped into a solution containing 100.0 g of HCI. How many moles of hydrogen gas
was produced?
(og)
Zn + 2HCI ----> ZnCl₂ + H₂
2C₂H6 + 702 ----> 4CO₂ + 6H₂O
Answer 1.37 moles
9. If 0.67 moles of ethane gas (C₂H6) is burned completely, calculate the percent yield if 52.5 grams
of CO₂ were obtained from the reaction.
Answer 89.02%
solution. Equilibriums between the
acid in solution,
(HC
10
m
C
a
1
P
2

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