Question: Who came up with the conservation of mass?
Disambiguated questions and answers: question: Who first demonstrated and came up with the conservation of mass?
Who rediscovered the conservation of mass in the late 18th century?
answer: Mikhail Vasilyevich Lomonosov
Mikhail Lomonosov
Lomonosov
Lavoisier
Antoine Lavoisier
Antoine-Laurent de Lavoisier
question: who came up with the origins of the conservation of mass?
Who was the first to outline the principle of the conservation of mass?
answer: Empedocles
Mikhail Lomonsov
Natural Questions answer: Mikhail Lomonosov (from the Wikipedia article "Conservation of mass")