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Which of the following solution contains...

Which of the following solution contains approximately equal hydrogen ion concentration

A

`100 mL of 0.1 M HCl + 50 mL H_(2) O`

B

`75 mL of 0.1 M HCl + 75 mL H_(2) O`

C

`50 mL of 0.1 M H_(2) SO_(4) + 100 mL H_(2)`

D

`100 mL of 0.1 NH_(2)SO_(4) + 50 mL H_(2) O`

Text Solution

Verified by Experts

The correct Answer is:
C, D
a. `100 xx 0.1 = 10 "mmol" H^(o+)//150 mL`
b. `75 xx 0.1 = 7.5 "mmol" H^(o+)//150 mL`
c. `50 xx 0.1 xx 2` (`n` factor) `= 10 "mmol"//150 mL`
d. `100 xx 0.1 = 100 "mmol"//150 mL`
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Knowledge Check

  • Which of the following solution contains same molar concentration?

    A
    `166 g. KI//L` solution.
    B
    `33.0 g (NH_(4))_(2) SO_(4)` in `200 mL` solution
    C
    `25.0 g CuSO_(4).5H_(2) O` in `100 mL` solution
    D
    `27.0 mg Al^(3+)` per `mL` solution.

  • Which of the following mixture/solution will show pH approximately equal to 9 ?

    A
    `100 mL` of `3xx10^(-3)M HCI+100mL` of `4.24xx10^(-3)M NaCN`
    B
    `100 mL` of `0.01M NH_(4)OH+100 mL` of `2xx10^(-3)M NaOH`
    C
    `0.2M` sodium butyrate, `K_(a)` for butyric acid is `2.0xx10^(-5)`
    D
    `5xx10^(-6)M Ca(OH)_(2)` solution

  • In pure water hydrogen ion concentration is -

    A
    `10^(-7)`
    B
    `10^(-10)`
    C
    `10^(-2)`
    D
    `10^(-1)`