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Questions
How is nitric acid prepared in a laboratory?
Describe the laboratory preparation of nitric acid.
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Solution
In the laboratory, nitric acid is prepared by heating a mixture of Potassium nitrate (KNO3) or Sodium nitrate (NaNO3) with concentrated Sulphuric acid (H2SO4) below 200°C in an all-glass apparatus.
\[\ce{KNO3 + H2SO4 (conc.) ->[< 200°C] KHSO4 + HNO3}\]
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