Respuesta :
25
Explanation:
The coefficient 5 applis to each element in the molecule, so there are 5 times 1 H atom, 5 times 1 N atom, and ,since O has a 3 subscript, there are 5 times 3 O atoms. Therefore there are 25 atoms.
The number of atoms present in 5 HNO₃ are 25 atoms.
What is a chemical formula?
The chemical formula is given as the presence of the number of atoms in a molecule of the compound.
The given compound is 5 HNO₃. It is given with the presence of
5 molecules of the HNO₃.
In a molecule of HNO₃ there is presence of 1 atom of hydrogen, 1 atom of nitrogen and 3 atoms of oxygen. Total 5 atoms are present in one molecule of HNO₃.
The number of atoms present in 5 molecules of HNO₃ will be:
1 molecule = 5 atoms
5 molecules = 5 * 5 atoms
5 molecules = 25 atoms
Thus, the number of atoms present in 5 HNO₃ are 25 atoms.
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