How many ions are present if 2.0 moles of hno3 are completely dissolved in water?

2 answers:

5 0

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 $^{+}$ + NO3 $^{-}$

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

AURORKA [14]3 years ago

4 0

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

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 $6.022\times 10^{23}$ number of ions

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

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

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