how many of each type of atoms are there in the formula ca3(po4)2?
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Answer and Explanation: There are eight oxygen atoms in the above formula: Ca3(PO4)2 C a 3 ( P O 4 ) 2 .
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Calcium carbonate is CaCO₃. In total, five atoms in this molecule.
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the no of moles of oxygen atom in the sample is. Answer: Ammonium phosphate is (NH4)3 PO4. it has 12 hydrogen atoms and 4 oxygen atoms.
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We need to know how many electrons are available to make the bonds for Phosphate Ion. Phosphorus is in group VA so it has 5 valence electrons and Oxygen is in group VIA so each oxygen has 6 valence electrons. Total valence electrons = 5 + 4(6) = 29.
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Once we know how many valence electrons there are in PO4 3- we can distribute them around the central atom with the goal of filling the outer shells of each atom. In the Lewis structure of PO43- there are a total of 32 valence electrons.
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In one molecule of H3PO4, there are 3 atoms of hydrogen, 1 atom of phosphorus and 4 atoms of oxygen.
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The number of hydrogen (H) atoms in 80 g phosphoric acid (H3PO4) is 1.5 x 1024 atoms.
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This means there are half a mole of nitrogen atoms in 0.25 moles of calcium nitrate. This means there are 0.5*6.022*10^23 atoms which equates to 3.011*10^23 atoms. What is the number of moles of oxygen atoms in 3.2 g of CO2?
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The molecule has a total of 8 non-bonding electrons, distributed as 3 lone pairs on iodine and 1 lone pair on nitrogen, and 8 bonding electrons, distributed in 1 single bond and 1 triple bond. All the 16 valence electrons are accounted for and all the have have complete octets. Now for the phosphate ion, PO3−4 .
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A neutral atom of calcium, atomic number 20, contains 20 protons and 20 electrons. It has zero net charge. We calculate the number of neutrons in an atom from its mass number and atomic number: Potassium has a mass number of 39 and an atomic number of 19.
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There are eight oxygen atoms in the above formula: Ca3(PO4)2 C a 3 ( P O 4 ) 2 .
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(ii) In a PO43-ion, five atoms are present; one of phosphorus and four of oxygen.
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A calcium atom has 20 protons, 20 electrons and 20 neutrons. Calcium's atomic mass is 40.08 g/mole, which rounds to 40 g/mole.
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For example, a molecule of the compound H3PO4 contains three hydrogen atoms, one phosphorus atom, and four oxygen atoms.
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moles of Mg3(PO4)2 contains 0.25 moles of oxygen atom.
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A mole of a compound will have 6.02 x 10^23 molecules, so the number of atoms in a mole is 6.02 x 10^23 x number of atoms in a molecule. One Molecule of Ca(OH)2 has 5 atoms. Therefore, one mole of Ca(OH)2 has 6.022 x10^23 x 5 = 30.11 x 10^23 atoms.
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In 6.2g of white phosphorus (P₄). The number of moles (atomic mass of P₄=124u​ ) are 0.0125mol .