This value is 207,2 g.
molar mass =207.2 g / mol no. moles = mass/ molar mass moles = 1 1(207.2) = mass mass of 1 mole lead is 207.2g molar mass =207.2 g / mol no. moles = mass/ molar mass moles = 1 1(207.2) = mass mass of 1 mole lead is 207.2g
Lead. The molar mass of lead is 207.2 g/mol while helium's is 4.0 g/mol.
8.90 X 1023 lead atoms (1 mole Pb/6.022 X 1023)(207.2 grams/1 mole Pb) = 306 grams of lead =============
39.95 because that is the molar mass of Argon
The molar mass of Argon is 39.95g. Therefore 1 mole of Argon is 39.95g
The molar mass of lead (Pb) is 207.2 g/mol. To find the mass of 6.25x10^20 atoms, you need to divide the number of atoms by Avogadro's number (6.022x10^23) to get the number of moles, then multiply by the molar mass of lead. The mass of 6.25x10^20 atoms of lead is approximately 1.72 grams.
The mass of 1 mole of an ionic compound is called the molar mass. It is typically expressed in grams per mole.
A mole of any substance contains Avogadro's number of particles (6.02 x 10^23). The molar mass of copper is less than that of lead, so a mole of copper atoms weighs less than a mole of lead atoms, despite both containing the same number of atoms.
The molar mass of a molecule that weighs 1 dalton per mole is 1 gram per mole.
32g
One mole of 12C has a mass of 12.00000 grams (exactly, by definition).One mole of 13C has a mass of 13.00335 grams.One mole of 14C has a mass of 14.00324 grams.One mole of natural carbon - i.e. a sample with the ratio of isotopes equal to that in nature - has a mass of 12.0107 grams.
1 mole of carbon atoms will have a mass of 12 grams (atomic mass in amu is numerically equivalent to the molar mass in grams per mole).