Chemistry, 13.07.2019 17:30 kevinvalencia01

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

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Answer from: bri663

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

Explanation :

When 1 mole of HCl dissociates then it gives 1 mole of hydrogen ion (H^+) and 1 mole of chloride ion (Cl^-) .

The balanced chemical reaction is,

$HCl\rightarrow H^++Cl^-$

(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 (H^+) and 0.001 M of chloride ion (Cl^-) .

(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 (H^+) and 0.01 M of chloride ion (Cl^-) .

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 (H^+) and 10 M of chloride ion (Cl^-) .

(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 (H^+) and 0.1 M of chloride ion (Cl^-) .

From this we conclude that, 10 M HCl has the highest concentration of hydrogen ion (H^+) .

Answer from: Quest

Mass is the amount of matter in an object. weight is the measurement of the pull of gravity on an object. say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165) now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon. however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant. in conclusion it is possible for your weight to change as your mass remains constant.

Answer from: Quest

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

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