The number of helium atoms (not molecules) is 39,7945.10e23.
23 moles of oxygen contain 138,509.10e23 molecules.
0,565 moles
1,125 moles of sodium sulfate contain 6,774908464125.10e23 molecules.
The answer is 6,227 moles.
The answer is 1,21 moles.
The equivalent is 1,6.10e-15 moles.
6,022140857.1023 molecules---------------------------------------------1 mole2.1022 molecules--------------------------------------------------------------x molex = 0,033 moles
If 4,65.10e24 is the number of molecules (ions, atoms) the answer is 7,72 moles.
There are 1.81 x 10^24 sucrose molecules in 3.0 moles of sucrose.
4,5.10e28 molecules of sodium fluoride NaF are equal to 0,745.10e5 moles.
4,96 x 1024 molecules of glucose is equal to 8,236 moles.
1 mole of molecules = 6.022 x 1023 molecules 1.25 moles of molecules x 6.022 x 1023 molecules/mol molecules = 7.53 x 1023 molecules