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What is the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution? [Ka(HCNO) = 2.0 × 10-4]
Standard Conditions
The set of established conditions including 0°C (273.15 K) and 1 atmosphere pressure used as a baseline to measure properties of substances.
Equilibrium Constant
A numerical value that expresses the ratio of concentrations of products to reactants at equilibrium, specific for a given reaction at a given temperature.
Gibbs Free Energy
A thermodynamic quantity used to predict the feasibility of a reaction at constant temperature and pressure.
PKa Values
Quantitative measures that describe the acidity of a compound, representing the negative log of the acid dissociation constant (Ka).
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