The Atomic Mass (also known as atomic weight, though less correctly so) of magnesium represents how many grams are in one mole of magnesium, as is the case with all elements. In short, the atomic mass of magnesium is 24.3050, therefore there are 24.3050 grams of magnesium per mole.
By definition, one mole would be the same as the atomic mass. You take the number of moles and multiply it by the atomic mass. So if you have just 1 mole, the number of grams will be the atomic mass. Magnesium's atomic mass is 24.31 grams.
One mole of magnesium would weight the same as it's molecular weight. One mole of magnesium is about 23 grams.
To find the mass we use the equation m= n x mm. (mass= moles x molar mass). mass = one mole of magnesium x 24.31g/mole. Therefore the mass of one mole of magnesium is 24.31g.
One mole (of anything) counts for 6.02*10^23 particles of that 'thing.' It is a number, comparable with dozen (12 units) and gross (12 dozen, 144 units).
6.022 x 1023 atoms.
One mole of any substance contains the above quantity of particles.
One mole of magnesium contain 6,022 140 857.10e23 atoms (Avogadro constant)
24.305 grams per mole.
2 substances
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Molecular mass of magnesium = 24.305 g/mol. 0.478 g/24.305 g/mol = .0197 mols
Balanced equation first. 3Mg + N2 -> Mg3N2 55.3 grams Mg (1 mole Mg/24.31 grams)(1 mole Mg3N2/3 mole Mg)(100.95 grams/1 mole Mg3N2) = 76.5 grams Mg3N2 made ===================
24.31 grams of magnesium is one mole of magnesium, so that is 6.022 X 1023 atoms of magnesium.
This can be found using one of the most important constants for chemistry: Avogadro's number. According to wikipedia, the standard atomic weight of magnesium is 24.3050 grams per mole. Using Avogadro's number, we know there's 6.0221415 × 1023 atoms per mole, so if you divide the standard atomic weight of magnesium by Avogadro's number, you can get number of grams per atom of magnesium (i.e. the mass of a single magnesium atom in grams). (24.3050 g/mole) / (6.0221415 x 1023 atoms/mole) = 4.03564 g/atom
There are the same number of atoms in one mole of beryllium as there are in one mole of magnesium :)
Molecular mass of magnesium = 24.305 g/mol. 0.478 g/24.305 g/mol = .0197 mols
Balanced equation first. 3Mg + N2 -> Mg3N2 55.3 grams Mg (1 mole Mg/24.31 grams)(1 mole Mg3N2/3 mole Mg)(100.95 grams/1 mole Mg3N2) = 76.5 grams Mg3N2 made ===================
24.31 grams of magnesium is one mole of magnesium, so that is 6.022 X 1023 atoms of magnesium.
This can be found using one of the most important constants for chemistry: Avogadro's number. According to wikipedia, the standard atomic weight of magnesium is 24.3050 grams per mole. Using Avogadro's number, we know there's 6.0221415 × 1023 atoms per mole, so if you divide the standard atomic weight of magnesium by Avogadro's number, you can get number of grams per atom of magnesium (i.e. the mass of a single magnesium atom in grams). (24.3050 g/mole) / (6.0221415 x 1023 atoms/mole) = 4.03564 g/atom
Mass of Oxygen is approximately 16 grams. (15.9994 grams) per mole. Mass of Magnesium is approximately 24.305 grams per mole.
160 grams MgO (1 mole MgO/40.31 grams) = 3.97 mole magnesium oxide =====================
Let us find Magnesium atoms first. 15 grams magnesium (1 mole Mg/24.31 grams)(6.022 X 10^23/1 mole Mg) = 3.72 X 10^23 atoms magnesium Now take this an drive to grams sodium 3.72 X 10^23 atoms (1 mole Na/6.022 X 10^23)(22.99 grams/1 mole Na) = 14 grams of sodium ----------------------------
There are the same number of atoms in one mole of beryllium as there are in one mole of magnesium :)
Balanced equation. Mg + H2SO4 -> MgSO4 + H2 ------------------------------------- ( sufuric acid in excess---magnesium limits, drives reaction ) 24 grams magnesium (1 mole Mg/24.31 g)(1 mole H2/1 mole Mg)(2.016 g/1 mole H2) = 1.9 grams of hydrogen gas produced ( can call it 2.0 grams ) --------------------------------------------------
1.346 grams Mg (1 mole Mg/24.31 grams) = 0.05537 moles magnesium
yes, one mole of cadmium is 112 grams, one mole of gold is only 2 grams.
The mass of the magnesium will be lower than the mass of the magnesium oxide1 mole of Mg = 24 grams1 mole of MgO = 24 + 16 = 40 grams