The Mole Concept: Essential Chemical Calculations for Beginners — PickAClass
⏱ 2h 54m 📚 29 lessons

The Mole Concept: Essential Chemical Calculations for Beginners

Learn to confidently tackle quantitative chemistry problems by mastering the mole concept, stoichiometry, and various concentration calculations.

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About this course

Many chemical reactions and processes rely on understanding quantities. The mole concept is the cornerstone of quantitative chemistry, but it can often seem abstract or challenging. This course demystifies the mole concept, transforming your understanding of chemical quantities into a practical skill for solving a wide range of chemical problems. You will gain the confidence to approach stoichiometry, limiting reagent problems, and various concentration calculations with clarity and precision. Understand the fundamental definition and significance of the mole concept in chemistry. Apply Avogadro's number and molar mass to convert between mass, moles, and particles. Master stoichiometry to predict reactant and product quantities in chemical reactions. Identify and calculate limiting reagents to determine reaction yields accurately. Calculate various concentration terms including molarity, molality, mole fraction, mass percent, and normality. Practice solving diverse quantitative problems involving chemical reactions and solutions. Develop a systematic approach to breaking down complex chemical calculation problems. The course begins with a clear introduction to the mole and its basic applications, then systematically builds up to more complex topics like stoichiometry, limiting reagents, and a comprehensive exploration of solution concentration terms. Each concept is explained with step-by-step examples and practical exercises. This course is designed for absolute beginners in chemistry or anyone needing a solid refresher on the mole concept and chemical calculations. No prior knowledge of advanced chemistry or mathematics is required. Start your journey to confidently master quantitative chemistry today.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    2h 54m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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The Mole Concept: Essential Chemical Calculations for Beginners
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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