skyla5rbYasxMizuf
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  • 14-10-2016
  • Chemistry
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How many atoms are in 165 g of calcium?

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Аноним Аноним
  • 19-10-2016

              Find the molar mass of calcium acetate...158.165g.
So start with 255g Calcium acetate x 1 mole Calcium Acetate/158.165 g Calcium Acetate x 6 mol Hydrogen/1 mole Calcium Acetate x 6.022e23 atoms/mole.

So...(255 x 1 x 6 x 6.022e23)/(158.165 x 1 x 1) = 5.825e24 hydrogen atoms


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Hussain514 Hussain514
  • 22-10-2016
Moles in165g = 165 / 40 = N/6.02×10^23
N=2.48325×10^24
hope it helps




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