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Find out the OH^(-) ion concentration in...

Find out the `OH^(-)` ion concentration in `100 mL` of `0.015 M HCl` is

A

`2.0xx10^(-9)M`

B

`6.7xx10^(-13) M`

C

`3xx10(-6)M`

D

`5xx10^(-12)M`

Text Solution

Verified by Experts

The correct Answer is:
B
`[OH^(-)]=(K_(w))/([H^(+)])=(1xx10^(-14)0.015)=6.7xx10^(-13)`
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Knowledge Check

  • The [OH^-] in 100.0 mL of 0.016 M-HCl(aq) is :

    A
    `5xx10^12 M`
    B
    `3xx10^(-10) M`
    C
    `6.25xx10^(-13) M`
    D
    `2.0xx10^(-9) M`

  • Number of chloride ions in 100 mL of 0.01 M HCl solution are

    A
    `6.023 xx 10^(22)`
    B
    `6.023 xx 10^(21)`
    C
    `6.023 xx 10^(20)`
    D
    `6.023 xx 10^(24)`

  • The number of Cl^(-) ions in 100 mL of 0.001 M HCl solution is

    A
    `6.022 xx 10^(23)`
    B
    `6.022 xx 10^(23)`
    C
    `6.022 xx 10^(19)`
    D
    `6.022 xx 10^(24)`

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