Basic Concepts of Chemistry: Moles, Stoichiometry, and Solutions — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Basic Concepts of Chemistry: Moles, Stoichiometry, and Solutions

Learn the fundamental laws, units, and calculation methods necessary to confidently approach quantitative problems in general chemistry.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Chemistry is built on precise definitions and quantitative relationships. Mastering the foundational concepts of matter and measurement is crucial for success in any scientific discipline. By the end of this course, you will possess a robust understanding of the chemical world, enabling you to accurately calculate concentrations, balance reactions, and interpret chemical formulas using the mole concept. What you'll learn: * Understand the laws of chemical combination and the foundational principles of modern atomic theory. * Master the mole concept and apply it to calculate molar mass, empirical formulas, and molecular formulas. * Apply stoichiometry to balance chemical equations and determine limiting reagents and reaction yields. * Calculate and interconvert common concentration units, including molarity, molality, and mass percentage. * Practice expressing measurements correctly using significant figures and basic error analysis. This course begins with core definitions of matter and measurement, progresses through fundamental laws and units, and concludes with extensive practice in balancing equations and solving complex stoichiometric problems involving solutions. This course is designed for absolute beginners or students needing a rigorous review of introductory chemistry. No prior chemistry knowledge is required. Start building your essential chemical knowledge today.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    3h 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.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Basic Concepts of Chemistry: Moles, Stoichiometry, and Solutions
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Basic Concepts of Chemistry: Moles, Stoichiometry, and Solutions
Page 2 of 2
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
Verify this credential
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.

Reviews

No reviews yet — be the first to share your experience.

Write a review

☆☆☆☆☆
You'll be asked to sign in after sending — your draft is saved.

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.

Built for learners in
Tech Design Finance Marketing Healthcare Education Hospitality Manufacturing