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14 March, 15:19

Which of these is a neutral salt? Na2SO4 NaCN KF (NH4) 2SO4

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Answers (2)
  1. 14 March, 15:25
    0
    Love doesn't come in a minute

    Sometimes it doesn't come at all

    I only know that when I'm in it

    That means the correct answer is

    A) Na2SO 4
  2. 14 March, 15:38
    0
    The answer is indeed Na2SO4 but let me explain why: this salt is a salt of a strong acid (H2SO4) and strong base (NaOH). NaCN is a basic salt. KF is a basic solution because KOH is strong base and HF is not a strong acid. And NH42SO4 is acid. Have in mind the following to determine if something is neutral, basic or acid:

    Strong acid + Strong base = neutral salt

    Strong acid + Weak base = acidic salt

    Weak acid + Strong base = basic salt

    Weak acid + Weak base = neutral salt
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