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06-05-2020
Chemistry

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Consider the following balanced reaction:
4NH3 (g) + 502 (g) – 4NO (g) + 6H20 (g)
How many grams of ammonia are required to react completely with 40 g of oxygen?
A. 154
B.
179
C. 34 g
D.
19 g

Respuesta :

mahesh11 mahesh11

16-05-2020

Answer:

17g

Explanation:

4NH3 (g) + 502 (g) –> 4NO (g) + 6H20 (g)

Mass of O2 mole = 32g

Therefore 5O2 = 160g

Mass of NH3 mole = 17g

Therefore 4NH3 = 17 x 4 =68g

Required amount of NH3 = 68 x 40/160 = 17g

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