how many oxygen atoms are in the aluminum sulfate?
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the formula for aluminum sulfate is Al2(SO4)3. Then, in a formula unit of Al2(SO4)3 there are two aluminum ions and three sulfate ions; or two aluminum, three sulfur, and twelve oxygen atoms.
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In one mole of atomic oxygen, O, there are 6.022 x 10^23 atoms O. In one molecule of O2, the form of oxygen that we breathe, there are two oxygen atoms.
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1 mole of SO2 contains one sulfur and two oxygen molecules. Answer: The number of oxygen atoms present in 1.25 moles of sulfur dioxide(SO2) is 15.06× 10^23.
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There are approximately 30.11 X 1023 atoms of oxygen in 2.50 moles of SO2.
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How many atoms of aluminum is this? 2.5 mol 16.02x1023 atoms.
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Multiply the number of moles by 6.022×10^23 atoms/mole. There are ~1.807×10^24 atoms in one mole of SO2.
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Since the overall charge of a compound must always be equal to zero (neutral), we need 2 aluminum atoms and 3 oxygen atoms in order to balance out the charge and make the compound neutral. This means that the chemical formula for aluminum oxide is simply Al2 O3.
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For the SO3 2- compound, we have 26 total valence electrons, and that includes these two electrons up here--there are two extra valence electrons. So we have 26. Let's put the Sulfur at the center and the Oxygens around the outside. Put two electrons between the atoms to form chemical bonds.
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So total number of atoms present in (SO₄)²- is 5. This is the clear view of lewis structre of sulfate ion. with 4 oxygen atoms and one sulfur atom, covalently bonded and two negative ions on two atoms of oxygen.
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Sulfate is a polyatomic ion with 1 sulfur (6 valence electrons), 4 oxygens (4 x 6 valence electrons = 24 e-) and a charge of -2 (2 valence electrons). If we add all the electrons together we get 32 valence electrons with which to make bonds and lone pairs around the atoms in the ion. Step 2.
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Now, 1 mole of Al2O3 contains 2 moles of Al. The atomic mass of aluminium is given to be 27 u. This means that 1 mole of aluminium atoms ( or aluminium ions ) has mass of 27 grams , and it contains 6.022 × 10^23 aluminium ions.
199416
One sulfuric (H2SO4) molecule has 2 hydrogen atoms, 1 sulfur atom, and 4 oxygen atoms. You can also say one mole of sulfuric acid has two mols of hydrogen atoms, 1 mol of sulfur atoms, and 4 moles of oxygen atoms. So in total, we have 7 mols of atoms.
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There are 4 moles of oxygen atoms in 1.0 mole of H2SO4 (not O2 molecules!)
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The original number of oxygen atoms was about 80 times larger than Avogadro's number. Since each sulfuric acid molecule contains 4 oxgyen atoms, there are about 20 moles of sulfuric acid molecules.
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Each Al2(CO3)3 molecule consists of 9 oxygen atoms.
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So 1- mole of Al2(SO4)3 contains= 6- moles of oxygen.
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1 molecule of Na2SO4 contains 2 atoms of Na, 1 atom of sulfur and 4 atoms of oxygen. 1 mole of Na2SO4 contains 7 moles of atoms.