By Cathy Wong, ND - Reviewed by a board-certified physician. Ylang ylang essential oil is a type of essential oil commonly used in aromatherapy. Sourced from the flowers of Cananga odorata (a plant native to the Philippines and Indonesia), ylang ylang essential oil is said to offer a variety of health benefits.
Equilibrium constants can be used to calculate the concentrations of reactants and products that will be present at equilibrium. Learning Objective. Calculate the concentrations of reaction components at equilibrium given the starting concentrations and the equilibrium constant.
When an equilibrium constant value is to be determined, there are three options for dealing with the activity coefficients. 1  Use known or calculated activity coefficients, together with concentrations of reactants.