mysonnathan1020
mysonnathan1020 mysonnathan1020
  • 03-04-2017
  • Chemistry
contestada

What is the mass of 3.90 moles of magnesium chloride

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SABRINACOOPER1890257
SABRINACOOPER1890257 SABRINACOOPER1890257
  • 03-04-2017
 find the molar mass of MgCl2 by adding the molar masses of its components then(24.305) + 2(35.453) = 95.211  MgCl2 then, use stoichiometry to determine the mass of 8.9 moles
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yoloswaggs51
yoloswaggs51 yoloswaggs51
  • 03-04-2017
First we have to find the Molar Mass of Magnesium Chloride (MgCl2)

Molar mass of
Mg-24.30
Cl-35.45x2 (we do times 2 because there are 2 Cl atoms)
Add the molar masses together, and you get 95.20

One mole=95.205g

And there are 3.90 moles so
95.205×3.90=371.28

3.90moles of MgCl2= 371.28g
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