how many atoms of carbon are in 1.00 g?
The units for molar mass are grams per mole or g/molg/mol. 1.00mol of carbon-12 atoms has a mass of 12.0g and contains 6.022×1023 atoms. 1.00 mole of any element has a mass numerically equal to its atomic mass in grams and contains 6.022×1023 particles.