68 results about "Mass fraction" patented technology

In chemistry, the mass fraction of a substance within a mixture is the ratio wᵢ (alternatively denoted Yᵢ) of the mass mᵢ of that substance to the total mass mₜₒₜ of the mixture. Expressed as a formula, the mass fraction is: wᵢ=mᵢ/mₜₒₜ. Because the individual masses of the ingredients of a mixture sum to mₜₒₜ, their mass fractions sum to unity: ∑ᵢ₌₁ⁿwᵢ=1. Mass fraction can also be expressed, with a denominator of 100, as percentage by mass (in commercial contexts often called percentage by weight, abbreviated wt%; see mass versus weight).