Unit 2- Test

What are the coefficients when the following equation is correctly balanced?   ____KClO₃  -->   ___ KCl + ___ O₂

• 2:2:3
• 1:1:2
• 2:1:3
• 2:1:3

How many moles of NaCl are used when 17 moles of Silver Chloride (AgCl) is produced?   AgNO₃ + NaCl --> AgCl + NaNO₃   

• 0.12 mole NaCl
• 8.5 mole NaCl
• 17 mole NaCl
• 54 mole NaCl

 What would be the correct mole ratio of O₂ to H₂O ?  
 C₆H₁₂O₆ + 6O_{2 -->}  6CO₂ + 6H₂O 
Simplified 

• 6:6
• 6:1
• 1:6
• 1:1

What is the mass of potassium chloride when 48 grams of tiroxygen (O₃)? 
2 KClO₃ --> 2 KCl + 3 O₃

• 44.28 grams of KCl
• 88.56 grams of KCl
• 99.63 grams of KCl
• 2,125.44 grams of KCl

If the following unbalanced equation, how many moles of ammonia (NH₃) are produced from 6 moles hydrogen? 
____N₂ + ____H₂ --> ____NH₃

• 2 mole H₂
• 4 mole H₂
• 3 moles H₂
• 1 moles H₂

What is the mole ratio of the balanced equation in the figure? 

• 2:2:4
• 2:1:4
• 2:1:2
• 1:1:1

When doing a mole to mole conversion you should use a _________ "t" chart. 

• Single 
• Double 
• Triple 

When doing a mole to gram or a gram to mole conversion you should use a ___________ "t" chart. 

• Single 
• Double 
• Triple 

When doing a mass to mass conversion you should use a ___________ "t" chart. 

• Single 
• Double 
• Triple 

You have 7 graham crackers, 3 marshmallows and 5 chunks of chocolate (shown in diagram).  If                     it takes 2 graham crackers, 1 marshmallow and 1 chunk of chocolate to make a s’more, in this case what is your limiting reagent?  

• Graham Cracker
• Marshmellow
• Chunk of Chocolate
• S'More