Rocky254 Rocky254
  • 01-05-2014
  • Chemistry
contestada

1. What is the empirical formula for a compound containing 63.8% N and 36.2% O?
a. N₂O₅
b. N₂O₃
c. NO₂
d. NO
e. N2₂O

Respuesta :

marmal
marmal marmal
  • 01-05-2014
[tex]M\ N_2=28g/mol\\ 63,8\%--28g\\ 100\%--x\\ x=43,89g[/tex]

43,89g≈44g
44g == 2x 14g (N) + 1x 16x(O)
M N₂O = 44g

Answer Link

Otras preguntas

Read the excerpt from "Politics and the English Language" by George Orwell. Which type of evidence is used in this excerpt? statistics X quotations examples hyp
Mia walks her dog twice a day. Her evening walk is two and a half times as far as her morning walk. At the end of the week she says she walked her dog 30 miles.
I need help with all of them but just answering one of them will be a major help!! thank you have a good day!​
I need help with this question plz
what are the names ochako's parents names​
When does puberty occur? What causes the changes that occur during puberty?
get out of here into negative​
2^12÷2^(k/2 )= 32 find k​
Which part of an argumentative essay would most likely contain the author's position? ___________________________________________________________________ (a) Bo
Help me with this question plz