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pkmnmushy
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
samueladesida43

The example of a neutral salt in the question is Na2SO4.

WHAT IS A NEUTRAL SALT?

  • A neutral salt is a type of salt that forms from the combination of a strong acid and strong base.

  • An acid reacts with a base in a reaction called neutralization to form a salt.

  • According to this question, the acid (H2SO4) and base (NaOH) that formed Na2SO4 are both strong.

Therefore, the example of a neutral salt in the question is Na2SO4.

Learn more about neutral salt at: https://brainly.com/question/9167977

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