banegass banegass
  • 26-05-2017
  • Chemistry
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To the nearest whole number how many moles are in 130 g sample of calcium metal?

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JavierCollante
JavierCollante JavierCollante
  • 27-05-2017
to convert grams to moles, we need the molar mass of the element or compound. remember you can determine the molar mass of a molecule by adding the atomic mass of each atom from the periodic table.

molar mass of Na= 23.0 g/ mol

130 g (1 mol Na/ 23.0 grams)= 5.65 moles or 6 moles.
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