how many hydrogen atoms are in a molecule of water worksheet answers?
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There are two hydrogen atoms in a molecule of water.
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There are 6 of these molecules. H2O is a molecule made of H for hydrogen and O for oxygen. There are 12 of these molecules. The smaller number is the number of atoms of the element to the left of it.
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How many atoms of hydrogen does it contain? There are 12-Hydrogen atoms and 6-Carbon atoms in a Molecule of Glucose. So for every 1-carbon atom there will be 2-hydrogen atoms.
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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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A water molecule consists of three atoms; an oxygen atom and two hydrogen atoms, which are bond together like little magnets.
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In that case a dozen is 12 so 12 × 2 = 24 hydrogen atoms in a dozen water molecules. To get the answers, (4 and 24) you had to multiply the given number of molecules by two atoms of hydrogen per molecule.
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1 mole = 6.022×10^23 atoms. 1 water molecule = 2 Hydrogen atoms + 1 oxygen atom. So, 1 mole H2O = 1.2044×10^24 hydrogen atoms.
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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.
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There are two atoms of hydrogen and one atom of oxygen in each water molecule, making the formula H2O. So, each molecule of water contains 3 atoms.
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0.05 grams of water contains= 6.02*10^23*0.05/18= 1.67*10^21 molecules. (ans.) 2. 1 molecule of water contains= 2 atoms of hydrogen.
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Water is a tiny bent molecule with the molecular formula H2O, consisting of two light hydrogen atoms attached to each 16-fold heavier oxygen atom.
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There are two atoms of hydrogen in each molecule of water.
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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. Sulfuric acid has the chemical formula H2SO4.
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The question is asking for “how many hydrogen atoms are present” though and currently, we have the number of water molecules in 2.84 mol. So, all we need to do is multiply that value by two as there are 2 Hydrogen atoms for every 1 water molecule.
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The formula H2O indicates that each molecule of this substance contains one oxygen and two hydrogen atoms. Therefore, if we ask how much hydrogen is required to make a given quantity of water, the answer is two hydrogen atoms for each oxygen atom or two hydrogen atoms per molecule.
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Therefore 2 mole H2O will have 2.4088×10^24 hydrogen atoms. Since one mole is defined as 6.022 x 10^23, and there are two hydrogen per molecule, that would mean that there are exactly 12.044 x 10^23 molecules of hydrogen in one mole of water.
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The water molecule has a total of 10 protons and 10 electrons (8 from the oxygen atom and 1 from each of the two hydrogen atoms). Since it has the same number of protons and electrons, the water molecule is neutral.