Respuesta :

Nitric acid(HNO3) is a strong acid so most of its component will dissociate into an ion form. When dissolved into water, nitric acid will have this reaction
HNO3= 1 H[tex]^{+} [/tex] + NO3[tex]^{-} [/tex] 

For every 1 mol of HNO3, there will be 1 mol of H+ ion and NO3- ion formed, which makes a total of 2 ions(degree of dissociation = 2). 
Then for 2 moles of HNO3 it would be: 2 moles * 2= 4 moles of ion

Answer: The number of ions that are present in nitric acid is [tex]2.401\times 10^{24}[/tex]

Explanation:

We are given:

Moles of nitric acid = 2.0 moles

1 mole of nitric acid produces 1 mole of hydrogen ions and 1 mole of nitrate ions

Number of ions produced from nitric acid = 2 moles

According to mole concept:

1 mole of an ionic compound produces [tex]6.022\times 10^{23}[/tex] number of ions

So, 2.0 moles of nitric acid produces [tex](2.0\times 2\times 6.022\times 10^{23})=2.401\times 10^{24}[/tex] number of ions

Hence, the number of ions that are present in nitric acid is [tex]2.401\times 10^{24}[/tex]