Which of the following has the highest concentration of h+ ions? a. 0.001 m hcl b. 0.01 m hcl c. 10 m hcl d. 0.1 m hcl

Answer : The correct option is, (C) 10 M HCl

Explanation :

When 1 mole of HCl dissociates then it gives 1 mole of hydrogen ion and 1 mole of chloride ion .

The balanced chemical reaction is,

(A) 0.001 M HCl

0.001 M concentration means, 0.001 moles present in 1 liter of solution.

When 0.001 M of HCl dissociates then it gives 0.001 of hydrogen ion and 0.001 M of chloride ion .

(B) 0.01 M HCl

0.01 M concentration means, 0.01 moles present in 1 liter of solution.

When 0.01 M of HCl dissociates then it gives 0.01 of hydrogen ion and 0.01 M of chloride ion .

(C) 10 M HCl

10 M concentration means, 10 moles present in 1 liter of solution.

When 10 M of HCl dissociates then it gives 10 of hydrogen ion and 10 M of chloride ion .

(D) 0.001 M HCl

0.1 M concentration means, 0.1 moles present in 1 liter of solution.

When 0.1 M of HCl dissociates then it gives 0.1 of hydrogen ion and 0.1 M of chloride ion .

From this we conclude that, 10 M HCl has the highest concentration of hydrogen ion .

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