At higher temperatures, the molarity of the saturated solution decreases and the density increases. At 15.6 ☌ (60.1 ☏), the density of a saturated solution is 0.88 g/ml and contains 35.6% ammonia by mass, 308 grams of ammonia per litre of solution, and has a molarity of approximately 18 mol/L. Ammonia solutions decrease in density as the concentration of dissolved ammonia increases. ![]() Like other gases, ammonia exhibits decreasing solubility in solvent liquids as the temperature of the solvent increases. ![]() In aqueous solution, ammonia deprotonates a small fraction of the water to give ammonium and hydroxide according to the following equilibrium:
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