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8) Determine whether mixing each pair of the following results in a buffera. 100.0 mL of 0.10 M NH3 with 100.0 mL of 0.15 MNH4Cl b. 50.0

Posted on October 22, 2021 By mobete 3 Comments on 8) Determine whether mixing each pair of the following results in a buffera. 100.0 mL of 0.10 M NH3 with 100.0 mL of 0.15 MNH4Cl b. 50.0

8) Determine whether mixing each pair of the following results in a buffera. 100.0 mL of 0.10 M NH3 with 100.0 mL of 0.15 MNH4Cl b. 50.0 mL of 0.10 M HCL with 35.0 mL of 0.150 M NaOHc. 50.0 mL of 0.15 M HF with 20.0 mL of 0.15 M NaOHd. 175.0 mL of 0.10 M NH3 with 150.0 mL of 0.12 M NaOH

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Comments (3) on “8) Determine whether mixing each pair of the following results in a buffera. 100.0 mL of 0.10 M NH3 with 100.0 mL of 0.15 MNH4Cl b. 50.0”

  1. Expert says:
    October 23, 2021 at 8:24 am

    try answer.com that works for me

    Reply
  2. Expert says:
    October 24, 2021 at 3:23 am

    Olá. porque a reação na temperatura é muito rapida a do copo : )

    Reply
  3. brylove5490 says:
    October 24, 2021 at 6:44 am

    a. 100.0 mL of 0.10 M NH₃ with 100.0 mL of 0.15 M NH₄Cl.

    c. 50.0 mL of 0.15 M HF with 20.0 mL of 0.15 M NaOH.

    Explanation:

    A buffer system is formed in 1 of 2 ways:

    A weak acid and its conjugate base.A weak base and its conjugate acid.

    Determine whether mixing each pair of the following results in a buffer.

    a. 100.0 mL of 0.10 M NH₃ with 100.0 mL of 0.15 M NH₄Cl.

    YES. NH₃ is a weak base and NH₄⁺ (from NH₄Cl ) is its conjugate base.

    b. 50.0 mL of 0.10 M HCl with 35.0 mL of 0.150 M NaOH.

    NO. HCl is a strong acid and NaOH is a strong base.

    c. 50.0 mL of 0.15 M HF with 20.0 mL of 0.15 M NaOH.

    YES. HF is a weak acid and it reacts with NaOH to form NaF, which contains F⁻ (its conjugate base).

    d. 175.0 mL of 0.10 M NH₃ with 150.0 mL of 0.12 M NaOH.

    NO. Both are bases.

    Reply

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