lexirh8380 lexirh8380

02-07-2017
Chemistry

contestada

How many moles of nitrogen are in 66.0 g of nitrous oxide?

Respuesta :

ARYANAGARWAL ARYANAGARWAL

02-07-2017

Rmm of N20 = (14X2) + 16 = 44
Percentage by mass of Nitrogen in N20 = 28/44x100 = 63.64
66x0.6634 = 43.7844g of Nitrogen in 66g of N20
Moles = Mass/Mr = 43.7844/14 = 3.13 moles

Answer Link

Otras preguntas

10. Based on lines 95-103, the reader can infer what about Caliban? He knows things about the island that the others do not. He is not frightened as easily as T

equivalent expression for 8(5k+8m)

The passage below can be revised to make it more concise. Which word is a modifier that can be eliminated because it adds no meaning? Dr. Madison is somewhat sk

Explore and discuss reasons why physical changes taking place in the brain of adolescents could make it difficult for them to function

The senate committee worked many drafts of the new bill so there was no ___ on rights already guaranteed for citizens.

What was the old lady gray’s “curse”?

how do you put a tracker, test lessages, messenger messageson someones i phone without them knowing

somebody please help me

if the company now purchases office equipment on account for $20,000, the accounting equation will change to:

Which physical feature labeled on the map begins in the Northern United States and is more than 2000 miles long? A. Rio Grande River B. Lake Okeechobee C. Great