Respuesta :
Answer:
0.273mole
Explanation:
Data obtained from the question include:
Mass of ammonia = 4.652g
Molar Mass of ammonia = 17.030g/mol
Number of mole of ammonia =?
Number of mole = Mass /Molar Mass
Number of mole of ammonia = 4.652/17.030
Number of mole of ammonia = 0.273mole
Therefore, there are 0.273mole of ammonia in 4.652g of ammonia
The moles of ammonia present will be "0.274 moles".
Molar mass:
A particular element's molar mass would be the mass of either the material that contains 1 mole of material. It should be the weight of such mole of something in basic words.
To determine the molar mass, multiply the atomic mass per each substance by the component's subscript throughout the chemical equation.
Given:
Weight in grams, w = 4.652 g
Molar mass, m = 17.030 g/mol
We know,
→ [tex]Number \ of \ moles (n)= \frac{Weight(w)}{Molar \ mass(m)}[/tex]
By substituting the values,
[tex]n = \frac{4.652}{17.030}[/tex]
[tex]= 0.274[/tex] moles
Thus the response above is right.
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