Question:medium

A 1.25g sample of a mixture of Na₂CO₃ and Na₂SO₄ is dissolved in 250mL solution. 25mL of this solution neutralises 20mL of 0.1NH₂SO₄. The % of Na₂CO₃ in the sample is:

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Only Na₂CO₃ reacts with acid; Na₂SO₄ is neutral.
Updated On: Mar 20, 2026
  • \(84.8\%\)
  • \(8.48\%\)
  • \(15.2\%\)
  • 42.4%
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The Correct Option is A

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