luvpandora360
luvpandora360 luvpandora360
  • 08-05-2020
  • Chemistry
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How many moles of S2F10 are contained in a pure 128-gram sample of S2F10 ?

Respuesta :

Eduard22sly
Eduard22sly Eduard22sly
  • 15-05-2020

Answer:

0.504 mole

Explanation:

From the question given, the mass of S2F10 = 128g

To obtain the number of mole in 128g of S2F10, we must obtain the molar mass of S2F10.

Molar Mass of S2F10 = (32x2) + (19x10) = 64 + 190 = 254g/mol.

Now, we can obtain the number of mole as follow:

Number of mole = Mass /Molar Mass

Number of mole of S2F10 = 128/254 = 0.504 mole

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