Question 1

Match the following.
-The mass of 1.22 moles of iron(II)nitrate

Accepted Answer

A) 208.2 g 
B) 212.4 g 
C) 219 g 
D) 225 g 
A) 208.2 g 
B) 212.4 g 
C) 219 g 
D) 225 g

Question 2

Determine the number of moles of water produced when one mole of NH3 reacts according to the balanced reaction shown.
4 NH3 + 5 O2  → 4 NO + 6 H2O

Accepted Answer

A) 1.00 
B) 1.25 
C) 1.50 
D) 0.67 
E) 1.33 
A) 1.00 
B) 1.25 
C) 1.50 
D) 0.67 
E) 1.33

Question 3

Consider the reaction N2 (g)+ O2 (g)→ 2 NO (g).
a.How many g NO can be produced when 25.0 g of nitrogen reacts?
b.How many g NO can be produced when 25.0 g of oxygen reacts?
c.Based on your answers in a and b,predict the amount of NO that can be produced when 25.0 g nitrogen is reacted with 25.0 g of oxygen.
d.Explain the reasoning used in part c.

Accepted Answer

a.25.0 g N₂ × @#IMG-DLM& × @#IMG-DLM& × @#IMG-DLM& = 53.55 g NO b.25

Question 4

42.0 g Cl2 contains ________ molecules Cl2.

Accepted Answer

A) 1.18 
B) 3.57 × 1023 
C) 3.57 × 1023. 
D) 1.78 × 1023 
E) 0.592 
A) 1.18 
B) 3.57 × 1023 
C) 3.57 × 1023. 
D) 1.78 × 1023 
E) 0.592

Question 5

In the reaction shown,what is the mole ratio that would be used to determine the number of moles of H2 that would be produced when 3.5 moles of AlCI3 are produced?
2 Al + 6 HCl → 2 AlCI3 + 3 H2

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 6

How many molecules are present in 3.25 mol of C2H6O?

Accepted Answer

A) 3.25 
B) 46.0 
C) 1.85 × 1023 
D) 6.02 × 1023 
E) 1.96 × 1024 
A) 3.25 
B) 46.0 
C) 1.85 × 1023 
D) 6.02 × 1023 
E) 1.96 × 1024

Match the following. -The mass of 1.22 moles of iron(II)nitrate

Determine the number of moles of water produced when one mole of NH₃ reacts according to the balanced reaction shown. 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O

42.0 g Cl₂ contains ________ molecules Cl₂.

In the reaction shown,what is the mole ratio that would be used to determine the number of moles of H₂ that would be produced when 3.5 moles of AlCI₃ are produced? 2 Al + 6 HCl → 2 AlCI₃ + 3 H₂

How many molecules are present in 3.25 mol of C₂H₆O?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

Exam 6: Chemical Reactions: Mole and Mass Relationships