英语翻译When a reversible reaction has attained equilibrium at a

英语翻译
When a reversible reaction has attained equilibrium at a given temperature,the product of the molar concentrations of the substances to the right of the arrow in the equation divided by the product of the molar concentrations of the substances to the left,each concentration raised to the power equal to the number of molecules of each substance appearing in the equation,is a constant.