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

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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