🚂 Mole Conversion Builder
Dimensional Analysis — Build the "Train Track" Step-by-Step
📝 Current Problem
How many atoms are in 2.5 moles of Helium (He)?
🎯 Conversion Factor Cards (Drag to slots or click to place)
Your Setup
2.5 mol He
Drop factor here
Drop factor here
=
? atoms
✂️ Unit Cancellation Visualization
Units that appear on both top and bottom cancel out!
Only the desired unit remains.
AI Tutor — Verify My Setup
Type your setup and get instant feedback from the AI tutor.