Question

Between dilute and concentrated samples of HNO3 which sample of HNO3 will have a higher H+

ion concentration?

(a) dil. HNO3

(b) Conc.HNO3

(c) Both have same H+ ion concentration

(d) No H+ ion is present in HNO3​

Answer 1

Answer:

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(c) Both have same H+ ion concentration

Answer 2

Answer:

The correct option is (b) Conc. HNO3

Explanation :

• In comparison to an acid with a lower concentration of H+ ions, the former will be more acidic.
• The acid with a higher concentration of H+ ions will have a lower pH than the acid with a lower concentration of H+ ions.
• Acid concentration is lower and water content is higher in diluted acids.
• Since there is less acid present in diluted solutions, there will also be less H+ ion present.
• In contrast, the concentration of acid is higher and the concentration of water is higher in concentrated acids. As a result, the H+ ion concentration will likewise be higher.
• As a result, the sample of concentrated HNO3 will include more H+.

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