miguel81021
miguel81021 miguel81021
  • 11-03-2019
  • Chemistry
contestada

How many grams of H3PO4 are produced when 10.0 moles of water react with an excess of P4O10?

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joserox44
joserox44 joserox44
  • 11-03-2019

6.667 moles  

Molar mass H3PO4 is 98 g/mol  

mass of H3PO4 = 98 x 6.667 = 653.4g  

mass of Cu = 27 , moles of Cu = 27 / 63.5 = 0.425  

moles of Cr produce this Cu = .425 x 2/3 = 0.283 moles  

or 0.283 x 52 = 14.7g

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