603088宁波精达股最新外汇牌价吧

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答 The first step in solving this problem is to determine the number of atoms in 0.50 moles of C2H6O.To do this, we need to use Avogadro's number, which states that there are 6.022 x 10^23 atoms in one mole of a substance.First, we need to find the number of moles of carbon (C) in 0.50 moles of C2H6O. Since there are 2 carbon atoms in each molecule of C2H6O, there are 2 moles of carbon in 0.50 moles of C2H6O.Next, we need to find the number of moles of hydrogen (H) in 0.50 moles of C2H6O. Since there are 6 hydrogen atoms in each molecule of C2H6O, there are 6 moles of hydrogen in 0.50 moles of C2H6O.Finally, we need to find the number of moles of oxygen (O) in 0.50 moles of C2H6O. Since there is 1 oxygen atom in each molecule of C2H6O, there is 1 mole of oxygen in 0.50 moles of C2H6O.Now, we can calculate the total number of atoms in 0.50 moles of C2H6O. Number of carbon atoms = 2 moles * (6.022 x 10^23 atoms/mole) = 1.204 x 10^24 atomsNumber of hydrogen atoms = 6 moles * (6.022 x 10^23 atoms/mole) = 3.613 x 10^24 atomsNumber of oxygen atoms = 1 mole * (6.022 x 10^23 atoms/mole) = 6.022 x 10^23 atomsTherefore, there are a total of 1.204 x 10^24 carbon atoms, 3.613 x 10^24 hydrogen atoms, and 6.022 x 10^23 oxygen atoms in 0.50 moles of C2H6O.

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