Unit 6 Review

Unit 6 Review

Have Outs:

•Notes

•PAPER AND PENCIL

•Desmos Calculator

Open Ended

What are the roles of your teammates?

Review for In-Person

Look for KEY words: Expected, actual

Multiple Choice

How do you go from grams to moles?

• Molar Mass

• Molar Ratio

• Metric System

Multiple Choice

How do you go from moles to moles?

• Molar Mass

• Molar Ratio

• Metric System

Multiple Choice

How do you calculate molar mass?

• Use the COEFFICIENTS from the BALANCED

• Multiply the SUBSCRIPT by the ATOMIC MASS on the periodic table

• Multiply the COEFFICIENTS by the ATOMIC MASS on the periodic table

Multiple Choice

How do you calculate molar ratio?

• Use the COEFFICIENTS from the BALANCED

• Multiply the SUBSCRIPT by the ATOMIC MASS on the periodic table

• Multiply the COEFFICIENTS by the ATOMIC MASS on the periodic table

Multiple Choice

If the equation below was balanced, what would be the molar ratio of AlCl₃ to Al?

AlCl₃ + Mg → MgCl₂ + Al

• 1:1

• 1:2

• 2:2

• 1:3

Multiple Choice

If 2 moles of Hydrogen gas reacts with excess oxygen gas and produced 5 grams of Water, what is the actual yield?

 $2H_2\ +\ O_2\ \rightarrow\ 2H_2O$  

• 2 moles

• 2 grams

• 5 moles

• 5 grams

Multiple Choice

How many moles of Magnesium chloride are generated when 2.0 moles of Aluminum chloride react with excess Magnesium?

 $2AlCl_3+3Mg\ \rightarrow\ 3MgCl_2+2Al$  

• 1.0 mol

• 2.0 mol

• 3.0 mol

• 4.0 mol

The answer is C. 3.0 mol

Multiple Choice

How many grams of Magnesium chloride are generated when 2.0 moles of Aluminum chloride react with excess Magnesium?

 $$2AlCl_3+3Mg\ \rightarrow\ 3MgCl_2+2Al 

 

• 393.8 g

• 285.6 g

• 57.5 g

• 95.2 g

The answer is B. 285.6 g

Multiple Choice

What is the limiting reagent in the following balanced chemical reaction?

 $2H_2+O_2\ \rightarrow\ 2H_2O$  

• Hydrogen

• Oxygen

• Water

• There is none

The answer is A