How many hydrogen atoms are there in 7.30 moles of ethanol (C2H5OH)? 1.21 X 10-23 atoms
o 2.20 X 1025 atoms
O 2.64 X 1025 atoms
04.39 X 1024 atoms

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?