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Quizizz Lesson: Unit 7 Part 5

Quizizz Lesson: Unit 7 Part 5

Assessment

Presentation

Chemistry

10th - 12th Grade

Medium

Created by

Ryan McCluskey

Used 6+ times

FREE Resource

33 Slides • 5 Questions

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Quizizz Lesson: Unit 7 Part 5

Stoichiometry

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Multiple Choice

What is the molar mass of AlCl3?

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133.3 g/mol

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187.1 g/mol

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62.4 g/mol

4

35.45 g/mol

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Multiple Choice

What is the mass of 0.45 moles of AlCl3?

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296.2 g

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3.37 x 10-3 g

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60.0 g

4

152.2 g

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Multiple Choice

How many moles would be present in a 452 g sample of AlCl3?

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0.29 moles

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3.39 moles

3

1.17 moles

4

2.34 moles

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Multiple Choice

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Using the balanced equation, how many moles of AlCl3 would need to be reacted to produce 4.5 moles of Al?

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2.25 moles of AlCl3

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4.5 moles of AlCl3

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3.0 moles of AlCl3

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6.75 moles of AlCl3

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The 283.9 is a typo. It should read 142.0 g. The answer is still correct.

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Multiple Choice

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Using the balanced equation pictured; how many grams N2 are required to produce 10 g of NH3?

1

8.23 g N2

2

16.46 g N2

3

4.12 g N2

4

32.92 g N2

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Quizizz Lesson: Unit 7 Part 5

Stoichiometry

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