reyesr4469 reyesr4469
  • 14-08-2017
  • Chemistry
contestada

One mole of nitrous acid (HNO2) contains 1.00 gram of hydrogen (H), 14.0 grams of nitrogen (N), and 32.0 grams of oxygen (O). What is the percent composition of nitrogen in nitrous acid?

Respuesta :

akiyama316
akiyama316 akiyama316
  • 25-08-2017
mass % of nitrogen = mass of nitrogen*100  / total mass 

= 14*100 / (1+ 14 + 32)

= 14*100 / 47
= 29.7 % 



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