Nitric oxide is formed in the combustion of fuel. An internal combustion engine produces 600 ppm (600 mg L-1) of NO was oxidized to NO2. The NO2 formed was dissolved in 10L of water. The pH of the resulting solution is (log 2 = 0.30, log 3 = 0.48)

Moles of NO = 6 0 0 * 1 0 − 3 * 1 0 0 3 0 = 2 ∴ moles of NO2 = 2 3NO2 + H2O -> 2HNO3 + NO 0 . 2 M 0 . 4 3 M o r p H = − l o g 0 . 4 3 = 0 . 8 8

Nitric oxide is formed in the combustion of fuel. An internal combustion engine produces 600 ppm (600 mg L^-1) of NO was oxidized to NO₂. The NO₂ formed was dissolved in 10L of water. The pH of the resulting solution is

(log 2 = 0.30, log 3 = 0.48)

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Vishal Baghel | Contributor-Level 10

5 months ago

Moles of NO = $\frac{600 * 1 0^{- 3} * 100}{30} = 2$

$∴$ moles of NO₂ = 2

3NO₂ + H₂O -> 2HNO₃ + NO

$0.2 M \frac{0.4}{3} M o r p H = - l o g \frac{0.4}{3} = 0.88$

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