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How many atoms of hydrogen are in 3 moles of ammonia, NH3?

Sagot :

Answer:

[tex]5.4198[/tex] × [tex]10^{24}[/tex] atoms of hydrogen

Explanation:

Firstly, we need to know how many atoms of [tex]NH_{3}[/tex] are there in 3 moles of [tex]NH_{3}[/tex].

We know that there is [tex]6.022[/tex] × [tex]10^{23}[/tex] atoms in a mole of any substance.

[tex]6.022[/tex] × [tex]10^{23}[/tex] is Avogadro's Constant

[tex]6.022[/tex] × [tex]10^{23}[/tex] × 3 =  [tex]1.8066[/tex] × [tex]10^{24}[/tex]

Therefore in 3 moles of ammonia, there are [tex]1.8066[/tex] × [tex]10^{24}[/tex] atoms.

Next, you should determine how many molecules of an element is present in ammonia.

There is 1 Nitrogen molecule and 3 Hydrogen molecules for every mole of ammonia.

Finally, since we know 3 moles of ammonia contains [tex]1.8066[/tex] × [tex]10^{24}[/tex] atoms, we just have to multiply accordingly to get the individual amount of atoms of an element a compound has.

For Nitrogen :

1 × [tex]1.8066[/tex] × [tex]10^{24}[/tex] =  [tex]1.8066[/tex] × [tex]10^{24}[/tex] atoms of nitrogen

For Hydrogen :

3 ×  [tex]1.8066[/tex] × [tex]10^{24}[/tex] =  [tex]5.4198[/tex] × [tex]10^{24}[/tex] atoms of hydrogen

Therefore, there is [tex]5.4198[/tex] × [tex]10^{24}[/tex] hydrogen atoms in 3 moles of ammonia.

Hope this answer helped!

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