Claims have been made that the only known copy of Leonardo da Vinci's famous painting Salvator Mundi is actually a modern forgery. You and your team must analyze the painting to find out whether these claims might be true.
![Leonardo da Vinci's painting Salvator Mundi. Image from Wikimedia Commons.](/pbl/sites/files/pbl/styles/full_width_m/public/shared/Salvator_mundi.jpg.webp?itok=sAu9vLO6)
Problem written by: Reda Ahmed
Curriculum items covered: Chemical formulas, mole calculations, rate equations, half-lives, radioactive decay.