Molar Mass and Mole Conversion Worksheets

Textbook-style molar mass and mole conversion worksheets for high school chemistry: clear notes, 30 differentiated exercises and fully worked answer keys.

What’s inside (12 pages)

• Textbook-style notes: the mole, molar mass, the mole map, with key points, worked examples and common mistakes
• Version A (10 exercises): molar mass
• Version B (10 exercises): one-step mole conversions
• Version C (10 exercises): multi-step: grams ↔ moles ↔ particles
• Fully worked answer keys for every exercise
• Teacher notes with guidance on which version suits which class

Why teachers use it

• Quiet differentiation: student pages have no level labels, only a small A/B/C code in the footer
• Clean, textbook-quality layout that prints well in black and white
• Made by a chemist; every answer is calculated and checked for correct significant figures
• Works for homework, stations, sub plans or review

Suitable for ages 14 to 18: high school chemistry (Grades 10–12 · Chemistry & Honors) and international schools. Printable PDF.

Looking for more? A low-cost Challenge Pack with six real-world problems is available as an add-on to this set in the Opalchemy shop.