PLEASE ANSWER 10 POINTS PLUS BRAINLIEST IF RIGHT
How did scientists calculate the most exact value for the mole?
1. through x-ray diffraction of silicon atoms
2. through the kinetic molecular theory by calculating the number of particles in a sample of gas
3. through counting the atoms in a sample of carbon-12 under a microscope
4. through the charge of an electron and Faraday’s constant
