Numbers behind the laws

Exercise and reference answers

Questions

1. Answer

   1789

   Question

   Year Lavoisier proposed conservation of mass

2. Answer

   8

   Question

   Grams of oxygen in 9 g of pure water

3. Answer

   44

   Question

   Grams of carbon dioxide from 12 g carbon and 32 g oxygen

4. Answer

   2

   Question

   Atoms in one molecule of hydrogen

Instructions

Type the number only.

Explanation