N2 + 3H2 mc011-1.jpg 2NH3 What is the mole ratio of hydrogen to ammonia?
2 answers:
Answer : The mole ratio of hydrogen to ammonia is, 3 : 2
Explanation :
Balanced chemical reaction : The chemical reaction in which the number of individual atoms of an element present on the reactant side always be equal to the number of individual atoms of an element present on the product side.
The given balanced chemical reaction is,
From the balanced chemical reaction, we conclude that 1 mole of gas react with 3 moles of
gas to give 2 moles of
gas as a product.
The mole ratio of nitrogen, hydrogen and ammonia is, 1 : 3 : 2
Therefore, the mole ratio of hydrogen to ammonia is, 3 : 2
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From the given balanced equation we have find out the amount (in gm) of Ag formed from 5.50 gm of Ag₂O.
2Ag₂O(s) → 4Ag (s) + O₂ (g)
We know, molecular mass of Ag₂O= 231.7 g/mol, and atomic mass of Ag= 107.8 g/mol. Given, mass of Ag₂O=5.50 gm. Number moles of Ag₂O== 0.0237 moles.
From the balanced chemical reaction we get 2 (two) moles of Ag₂O produces 4 (four) moles of Ag. So, 0.0237 moles of Ag₂O produces moles=0.0474 moles of Ag= 0.0474 X 107.8 g of Ag=5.11g Ag.
Therefore, 5.50 g Ag₂O produces 5.11 g of Ag as per the given balanced chemical reaction.