pjlozano10 pjlozano10
  • 10-09-2020
  • Chemistry
contestada

the simplest formula for a compound made from element X(molar mass=79.0g mol) that is 21.0% nitrogen by mass is ___
A. XN
B. XN2
C.X2N2
D.X3N2​

Respuesta :

accounythis accounythis
  • 10-09-2020

Answer:

C

Explanation:

Answer Link

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