Free Printable WorksheetScienceGrade 11Science CurriculumNGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6

11.30 The Mole and Avogadro's Number Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Chemistry Science worksheet provides structured practice on 11.30 The Mole and Avogadro's Number. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

The Mole and Avogadro's Number: Use the mole as a counting unit to connect particles, formula units, atoms, molecules, and macroscopic amounts. Aligned to NGSS, CCSS, AP Chemistry/Pre-AP Chemistry, and representative state chemistry framework crosswalks NGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6 - The Mole and Avogadro's Number Chemistry Standards Crosswalk: National: NGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6. State frameworks: TX TEKS 112.43(c)(7)-(9); FL SC.912.P.8.7, P.8.9; MA HS-PS1-9(MA); GA Chemistry formula/stoichiometry standards; VA Chemistry nomenclature/mole standards.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Chemistry

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 11.30 The Mole and Avogadro's Number skill assessments:

Problem 1Difficulty: Mastery

Which statement most completely describes how the mole and formula subscripts work together in particle-counting problems?

AMoles convert to grams only, and subscripts convert grams to atoms.

BSubscripts convert particles to moles, and Avogadro's number identifies the element.

CAvogadro's number is used only for atoms, while subscripts are used only for molecules.

DMoles convert to representative particles, and subscripts convert representative particles to atom or ion counts.

Solution & Explanation:Avogadro's number links moles and representative particles. Formula subscripts then show how many atoms or ions of each kind are in each representative particle.

Problem 2Difficulty: Mastery

A planned data display compares carbon atoms in four samples: 0.250 mol CO, 0.200 mol CO2, 0.150 mol C2H6, and 0.100 mol C6H6. Which sample contains the greatest number of carbon atoms?

A0.250 mol CO

B0.200 mol CO2

C0.100 mol C6H6

D0.150 mol C2H6

Solution & Explanation:Carbon-atom moles are CO: 0.250, CO2: 0.200, C2H6: 0.300, and C6H6: 0.600. The benzene sample has the most carbon atoms.

Problem 3Difficulty: Mastery

Which result correctly reports the number of molecules in 0.00750 mol of a molecular substance using three significant figures?

A4.5165 x 10²¹ molecules

B4.52 x 10²¹ molecules

C7.50 x 10²¹ molecules

D1.25 x 10²¹ molecules

Solution & Explanation:0.00750 mol x 6.022 x 10²³ = 4.5165 x 10²¹, which rounds to 4.52 x 10²¹ molecules for three significant figures.

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Frequently Asked Questions

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Chemistry Science students. It aligns with educational standard NGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6 (National: NGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6. State frameworks: TX TEKS 112.43(c)(7)-(9); FL SC.912.P.8.7, P.8.9; MA HS-PS1-9(MA); GA Chemistry formula/stoichiometry standards; VA Chemistry nomenclature/mole standards.).