Key Properties and Characteristics
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- Formula & Density: HNO3cap H cap N cap O sub 3𝐻𝑁𝑂3 with a density of 1.51 g/cm31.51 g/cm cubed1.51 g/cm3.
- Appearance: Colorless, but turns yellow over time due to decomposition into nitrogen oxides.
- Melting/Boiling Points: Freezes at-42∘Cnegative 42 raised to the composed with power C−42∘C(-44∘Fnegative 44 raised to the composed with power F−44∘F) and boils at 83∘C83 raised to the composed with power C83∘C(181∘F181 raised to the composed with power F181∘F).
- Concentration: Typically available as a 68% solution in water, though fuming nitric acid can be>95%is greater than 95 %>95%.
- Acidity: One of the seven strong acids, completely dissociating in water.

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