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CHEM.9.C

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The student is expected to perform stoichiometric calculations, including determination of mass relationships, gas volume relationships, and percent yield; and

A student expectation is directly related to the knowledge and skills statement, is more specific about how students demonstrate their learning, and always begins with a verb. Student expectations are further broken down into their component parts, often referred to as “breakouts.”

  • Overview
  • Alignments
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CHEM.9.C — Vertical Alignment

Vertical alignment shows student expectations in the same subject area at different grade levels that are related to or build upon one another.

Previous grade
CHEM.8.A
define mole and apply the concept of molar mass to convert between moles and grams;
CHEM.8.B
calculate the number of atoms or molecules in a sample of material using Avogadro's number;
CHEM.8.C
calculate percent composition of compounds; and
CHEM.9.C
perform stoichiometric calculations, including determination of mass relationships, gas volume relationships, and percent yield; and
CHEM.9.D
describe the concept of limiting reactants in a balanced chemical equation.

CHEM.9.C — Breakout of skills

Breakouts are the component parts that make up a student expectation. A breakout shows a distinct concept a student should know or a distinct skill that a student should be able to demonstrate.

The student is expected to
perform stoichiometric calculations including determination of
gas volume relationships
mass relationships
percent yield

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