dashaefairley2
16.09.2019 •
Chemistry
How many grams of oxygen are needed to react completely with 200.0 g of ammonia, nh3? 4nh3(g) + 5o2(g) ? 4no(g) + 6h2o(g)?
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Ответ:
Answer : The mass of oxygen needed are 470.592 grams.
Solution : Given,
Mass of
= 200.0 g
Molar mass of
= 17 g/mole
Molar mass of
= 32 g/mole
First we have to calculate the moles of
.
Now we have to calculate the moles of
The balanced chemical reaction is,
From the reaction, we conclude that
As, 4 mole of
react with 5 mole of 
So, 11.765 moles of
react with 
moles of 
Now we have to calculate the mass of
Therefore, the mass of oxygen needed are 470.592 grams.
Ответ:
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Explanation:
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