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

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Chemistry

Camille Francis

4 November, 18:16

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

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Quentin Sexton · Answer 1

Mr of H2SO4 = 2+32+64 = 98g No. Of moles = 125/98 = 1.28 moles. B) Mr of CuSO4 = 64+32+64=160 Mr of 5H2O = 18x5=90 CuSO4.5H2O = 160 + 90 = 250g No. Of moles = 35/250 = 0.14 moles