how many electrons are there in 1 mole of water?
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An atom of hydrogen has 1 electron, an atom of oxygen has 8 electrons. Thus, in one molecule of water there are 10 electrons. So, in one mole of water there are 10 moles of electrons.
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So, next, we calculate how many molecules there are in a drop of water, which we determined: molecules in a water drop = (6.022 x 102^3 molecules/mole) x 0.002275 moles. molecules in a water drop = 1.67 x 10^21 molecules of water.
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Roughly atoms. Water has a molecular mass of 18. 1/18 = 0.056 moles of water molecules in 1 gram of water. The molecular formula of water is H_2O so there are two hydrogen atoms per one water molecule.
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Avogadro's number tells us that there are 6.022 x 10^23 molecules of water per mole of water. So, next, we calculate how many molecules there are in a drop of water, which we determined: molecules in a water drop = (6.022 x 102^3 molecules/mole) x 0.002275 moles.
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1> How many molecules of water are present in 180 gm of water? 2> How many electrons are present in 1 H2O molecule? (1 e in H )*2 + (8 e in O) = 2 + 8 = 10 electrons in 1 H2O molecule.
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How many molecules of H2O are present in 0.500 mol of water? 1 mol of water contains 6.022 × 1023 H2O molecules Therefore 0.500 mol contains 0.500 × (6.022 × 1023) = 3.01 × 1023 H2O molecules.
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Now by definition, in a mole of stuff there are 6.022×1023 individual items of that stuff. So, in the given quantity of water, there are 6.022×1023⋅mol−1×2.50⋅mol = 15.04×1023 water molecules . How many oxygen atoms in such a quantity; how many hydrogen atoms?
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There are 6.022x10^23 water molecules per mole. To calculate for 5 moles, (2 H atom)/(H2O molecule) X (6.022x10^23 H2O molecules)/(mole) X 5 moles = 6.022x10^24.
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Therefore 5 molecules of water have 10 hydrogen atoms. Water is H2O so 5 Moles of water contains; 2 x 5 x 6.022140857 × 10^23 atoms of Hydrogen !
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molecules in a water drop = (6.022 x 102^3 molecules/mole) x 0.002275 moles. molecules in a water drop = 1.67 x 10^21 molecules of water.
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The total number of electrons present in 18mL of water is …… The total numbe of electrons present in 18mL of water is 6.023×1024.
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How many atoms of oxygen and hydrogen are present in 0.15 mole of water ? No. of oxygen atoms present =0.15×6.022×1023=9.03×1022 atoms.
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Mass of 1 Mole of Water How much water is that to most people? Water (H2O) is made from 2 atoms of hydrogen and 1 atom of oxygen. A mole of water molecules would be 2 moles of hydrogen atoms plus 1 mole of oxygen atoms.
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Video Explanation. 2 moles (or 2×18=36 g) of water gives one mole of oxygen.
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one mole of water contains 6.02 x 1023 MOLECULES of water. But each molecule of water contains 2 H and 1 O atom = 3 atoms, so there are approximately 1.8 x 1024 atoms in a mole of water.
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So, to sum this up, 6.022⋅1023 molecules of water will amount to 1 mole of water, which in turn will have a mass of 18.015 g . 2.7144moles H2O ⋅6.022⋅1023molec.
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The second conversion factor reflects the number of atoms contained within each molecule. Figure 10.2. 1: Two water molecules contain 4 hydrogen atoms and 2 oxygen atoms. A mole of water molecules contains 2 moles of hydrogen atoms and 1 mole of oxygen atoms.