Raman spectral study of the constitution and equilibria of nitric acid and d-nitric acid |
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| Authors: | Donald E Irish Olga Puzic |
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| Institution: | (1) Guelph-Waterloo centre for Graduate Work in Chemistry, Department of Chemistry, University of Waterloo, N2L 3G1 Waterloo, Ontario, Canada |
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| Abstract: | From relative integrated intensity measurements of the symmetric stretching vibration of nitrate ion in nitric acid solutions (both HNO
3
/H
2
O and DNO
3
/D
2
O), the mass law concentration quotients, Q
were obtained as functions of concentration. By extrapolation the limiting dissociation constants were estimated to be 24.4 and 15 respectively at 25°C. It is shown that this constant refers to a process in which the ion pair H
3
O+ NO
3
–
is in equilibrium with the dispersed, solvated H
3
O+ and NO
3
–
ions. |
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| Keywords: | Nitric acid d-nitric acid acid dissociation constants hydronium nitrate ion pairing Raman spectroscopy |
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