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40mL sample of 0.1M solution of nitric a...

`40mL` sample of `0.1M` solution of nitric acid is added to `20mL` of `0.3M` aqueous ammonia. What is the `pH` of the resulting solution?

A

8.95

B

89.5

C

0.895

D

4.48

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • 50 mL of H_(2)O is added to 50 mL of 1 xx 10^(-3)M barium hydroxide solution. What is the pH of the resulting solution?

    A
    `3.0`
    B
    `3.3`
    C
    `11.0`
    D
    `11.7`

  • If 200 mL of 0.031 molar solution of H_(2)SO_(4) are added to 84 mL of a 0.150 M KOH solution, what is the pH of the resulting solution?

    A
    12.4
    B
    1.7
    C
    2.2
    D
    10.85

  • 200 mL of 0.4M solution of CH_(3)COONa is mixed with 400 mL of 0.2 M solution of CH_(3)COOH . After complete mixing, 400 mL of 0.1 M NaCl is added to it. What is the pH of the resulting solution? [K_(a) of CH_(3)COOH=10^(-5)]

    A
    5.4
    B
    6
    C
    5
    D
    6.2
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