Free Printable WorksheetScienceGrade 11Science CurriculumNGSS HS-PS1-2, HS-PS1-7; AP Chem Unit 4; Pre-AP Unit 4; CCSS HSN-Q.A.1-3, MP2, MP6

11.71 Concentration, Molarity, and Solution Preparation Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Chemistry Science worksheet provides structured practice on 11.71 Concentration, Molarity, and Solution Preparation. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Concentration, Molarity, and Solution Preparation: Calculate molarity, solution volume, solute mass, and procedural steps for preparing solutions from solids. Aligned to NGSS, CCSS, AP Chemistry/Pre-AP Chemistry, and representative state chemistry framework crosswalks NGSS HS-PS1-2, HS-PS1-7; AP Chem Unit 4; Pre-AP Unit 4; CCSS HSN-Q.A.1-3, MP2, MP6 - Concentration, Molarity, and Solution Preparation Chemistry Standards Crosswalk: National: NGSS HS-PS1-2, HS-PS1-7; AP Chem Unit 4; Pre-AP Unit 4; CCSS HSN-Q.A.1-3, MP2, MP6. State frameworks: TX TEKS 112.43(c)(9), (11), (12); FL SC.912.P.8.7-8.10; MA HS-PS1-9(MA), HS-PS1-10(MA); CA/NY/NJ HS-PS1-7; GA/VA reaction and stoichiometry 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 11.71 Concentration, Molarity, and Solution Preparation skill assessments:

Problem 1Difficulty: Mastery

A 100.0 mL volumetric flask is used to prepare 0.250 M solution from a solid with molar mass 80.00 g/mol. What mass of solid is needed?

A2.00 g

B0.200 g

C20.0 g

D32.0 g

Solution & Explanation:Moles needed = 0.250 x 0.1000 = 0.0250 mol. Mass = 0.0250 x 80.00 = 2.00 g.

Problem 2Difficulty: Mastery

Which statement about final volume is most accurate when preparing a solution from a solid?

AFinal volume is always the amount of water first added to the beaker.

BFinal volume is the dry volume occupied by the solid crystals.

CFinal volume is the total solution volume after the solute is dissolved and the solution is diluted to the mark.

DFinal volume is the mass of the solute divided by its density.

Solution & Explanation:Molarity uses liters of final solution, which is set only after the solute is dissolved and the solution is brought to the calibration mark.

Problem 3Difficulty: Mastery

A student dissolves 1.00 g of a nonelectrolyte solute with molar mass 50.00 g/mol and dilutes to 0.400 L. What is the molarity?

A0.0500 M

B0.0200 M

C0.125 M

D20.0 M

Solution & Explanation:Moles solute = 1.00/50.00 = 0.0200 mol. M = 0.0200/0.400 = 0.0500 M.

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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-PS1-2, HS-PS1-7; AP Chem Unit 4; Pre-AP Unit 4; CCSS HSN-Q.A.1-3, MP2, MP6 (National: NGSS HS-PS1-2, HS-PS1-7; AP Chem Unit 4; Pre-AP Unit 4; CCSS HSN-Q.A.1-3, MP2, MP6. State frameworks: TX TEKS 112.43(c)(9), (11), (12); FL SC.912.P.8.7-8.10; MA HS-PS1-9(MA), HS-PS1-10(MA); CA/NY/NJ HS-PS1-7; GA/VA reaction and stoichiometry standards.).