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Solution Stoichiometry Tasks

The document outlines several performance tasks related to solution stoichiometry, each requiring students to solve specific chemical reaction problems and present their solutions on Manila Paper within a 5-minute timeframe. Each task includes a rubric for grading based on problem identification, data analysis, strategies applied, accuracy of answers, group participation, and time management. The problems involve calculating the mass or volume of precipitates formed from various chemical reactions involving silver nitrate, sodium hydroxide, hydrochloric acid, and magnesium hydroxide.

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Oliric Fabiolas
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81 views2 pages

Solution Stoichiometry Tasks

The document outlines several performance tasks related to solution stoichiometry, each requiring students to solve specific chemical reaction problems and present their solutions on Manila Paper within a 5-minute timeframe. Each task includes a rubric for grading based on problem identification, data analysis, strategies applied, accuracy of answers, group participation, and time management. The problems involve calculating the mass or volume of precipitates formed from various chemical reactions involving silver nitrate, sodium hydroxide, hydrochloric acid, and magnesium hydroxide.

Uploaded by

Oliric Fabiolas
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Performance Task: Solution Stoichiometry

Show your solution to the problem in a Manila Paper. You will be given 5 minutes max to present your
work. You will be graded by the rubrics below.

Problem: How many grams of silver chromate will precipitate when 150. mL of 0.500 M silver nitrate are
added to react with potassium chromate?
2 Ag NO 3+ K 2 Cr O 4 → Ag2 CrO 4 + 2 KN O3

Rubric:
Problem Identification 5
Data Analysis 5 MEMBERS: SCORE
Strategies/Skills Applied 5
Accuracy of Answer 5
Group Presentation 5
Time Management 5
TOTAL

Performance Task: Solution Stoichiometry

Show your solution to the problem in a Manila Paper. You will be given 5 minutes max to present your
work. You will be graded by the rubrics below.

Problem: 25.0 mL of 0.350 M NaOH are added to copper (II) sulfate. How many grams of copper (II)
hydroxide will precipitate?
2 NaOH +CuS O4 →Cu(O H )2+ N a 2 S O4

Rubric:
Problem Identification 5
Data Analysis 5 MEMBERS: SCORE
Strategies/Skills Applied 5
Accuracy of Answer 5
Group Participation 5
Time Management 5
TOTAL

Performance Task: Solution Stoichiometry

Show your solution to the problem in a Manila Paper. You will be given 5 minutes max to present your
work. You will be graded by the rubrics below.

Problem: What volume of 0.415 M silver nitrate will be required to precipitate as silver bromide all the
bromide ion in 35.0 mL of 0.128 M calcium bromide?
2 AgN O3 +Ca Br 2 → C a (N O3)2 +2 AgBr

Rubric:
Problem Identification 5
Data Analysis 5 MEMBERS: SCORE
Strategies/Skills Applied 5
Accuracy of Answer 5
Group Participation 5
Time Management 5
TOTAL

Performance Task: Solution Stoichiometry


Show your solution to the problem in a Manila Paper. You will be given 5 minutes max to present your
work. You will be graded by the rubrics below.

Problem: How many mL of 0.715 M HCl is required to neutralize 1.25 grams of sodium carbonate?
(producing carbonic acid)
2 HCl+ Na2 C O3 →2 NaCl+ H 2 C O3

Rubric:
Problem Identification 5
Data Analysis 5 MEMBERS: SCORE
Strategies/Skills Applied 5
Accuracy of Answer 5
Group Presentation 5
Time Management 5
TOTAL

Performance Task: Solution Stoichiometry

Show your solution to the problem in a Manila Paper. You will be given 5 minutes max to present your
work. You will be graded by the rubrics below.

Problem: How many grams of magnesium hydroxide will precipitate if 30.0 mL of 0.260 M potassium
hydroxide are combined with magnesium nitrate?
Mg ¿

Rubric:
Problem Identification 5
Data Analysis 5 MEMBERS: SCORE
Strategies/Skills Applied 5
Accuracy of Answer 5
Group Participation 5
Time Management 5
TOTAL

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