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Write the equation for the lab. preparation of HNO3 from potassium nitrate and conc. H2SO4

Nitric Acid

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Answer

Below is the equation for the lab. preparation of HNO3 from potassium nitrate and conc. H2SO4:

KNO3[conc.]+H2SO4[conc.]→<200°CKHSO4[acid salt]+HNO3\underset{[conc.]}{\text{KNO}3} + \underset{[conc.]}{\text{H}2\text{SO}4} \xrightarrow{\lt 200 \degree\text{C}} \underset{[acid \space salt]}{\text{KHSO}4} + \text{HNO}_3

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