NaNO2 (aq) + HSO3NH2 (aq) ----> NaHSO4(aq) +N2(g) + H2O (l)  Calculate  Atmospheric pressure (mmHg), Pc (mmHg), Vapour pressure of water (mmHg) and PN2 (mmHg) Given: weight of Sulfamic acid= 0.678g and weight of NaNO2= 0.888g Vapour pressure of water at 25°C = 23.8 (mmHg) and 26°C = 25.2 (mmHg) height = 14.2mm, T= 25.1 °C, Volume of acid= 25.5mL, Volume of Gas= 28.80mL

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