an atom weighs about 1o trillionths of a trillionth of a trillionth of a gram that is all I know.
25,1 grams sulfur contain 4,7147765.10e23 atoms.
The answer is 28,0987.1023 atoms.
The answer is 9,17233.1023 atoms.
1,25 grams of CH4 contain 0,156696.10e23 atoms.
738 grams iron are equivalent to:- 12,626 moles- 76.10e23 atoms
3,45 grams of H2O contain 1,154.10e23 oxygen atoms.
45,0 grams of hydrogen gas have 135,5.10e23 atoms.
Atomic mass of Ag: 107.9 grams5.00 grams × (6.02 × 1023 atoms) / (107.9 grams) = 2.79 × 1022 atoms Ag
7,5.1021 uranium atoms = 2,9644 grams
3.05 x 1025
2.936*10^24 atoms....
2,88 grams of helium have 3,761.1023 atoms; 16,4 grams of zinc have 1,511.1023 atoms.