Seudónimo Seudónimo 03-01-2021 Chemistry contestada 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