A chemist needs to find out how large of a container would be required to contain the products of an ammonia decomposition. If 8
2 answers:
Answer : The moles of produced are, 2.97 moles
Solution : Given,
Moles of = 8.91 moles
The balanced decomposition reaction of ammonia will be,
From the balanced reaction, we conclude that
When 2 moles of decomposes to produce 3 moles of
and 1 mole of
If the moles of is 3 moles then the moles of
produces = 1 mole
If the moles of is 8.91 moles then the moles of
produces =
Therefore, the moles of produced are, 2.97 moles
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9 grams of hydrogen gas (H2) will SC Johnson need to react in order to make 1 bottle of Windex.
Explanation:
Balance equation for the formation of ammonia from H2 gas.
N2 + 3H2 ⇒ 2
Given
mass of ammonia in 1 bottle of windex = 51 gram
atomic mass of ammonia 17.01 gram/mole
number of moles =
number of moles =
= 3 moles of ammonia is formed.
in 1 bottle of windex there are 3 moles of ammonia 0r 51 grams of ammonia.
From the equation it can be found that:
3 moles of hydrogen reacted to form 2 moles of ammonia
so, x moles of hydrogen will react to form 3 moles of ammonia.
=
x = 4.5 moles of hydrogen will be required.
to convert moles into gram formula used:
mass = atomic mass x number of moles (atomic mass of H2 is 2grams/mole)
= 2 x 4.5
= 9 grams of hydrogen.