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Cheshiredoll Cheshiredoll
  • 08-04-2016
  • Chemistry
Answered

determime the number of moles in the following compounds; a. 125 g of H2SO4 b. 35 g of CuSO4 × 5H2O

Verified Answer :

neelar neelar
  • 08-04-2016

Mr of H2SO4 = 2+32+64= 98g
No. Of moles = 125/98= 1.28 moles.

BMr of CuSO4 = 64+32+64=160

Mr of 5H2O = 18x5=90
CuSO4.5H2O = 160+ 90 = 250g
No. Of moles = 35/250= 0.14 moles

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