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2. Mass concentration (chemistry) - Wikipedia

   en.wikipedia.org/wiki/Mass_concentration_(chemistry)

   In chemistry, the mass concentration ρ i (or γ i) is defined as the mass of a constituent m i divided by the volume of the mixture V. [1]= For a pure chemical the mass concentration equals its density (mass divided by volume); thus the mass concentration of a component in a mixture can be called the density of a component in a mixture.

3. Mass fraction (chemistry) - Wikipedia

   en.wikipedia.org/wiki/Mass_fraction_(chemistry)

   The very ambiguous terms percent solution and percentage solutions with no other qualifiers continue to occasionally be encountered. In thermal engineering, vapor quality is used for the mass fraction of vapor in the steam. In alloys, especially those of noble metals, the term fineness is used for the mass fraction of the noble metal in the alloy.

4. Volume fraction - Wikipedia

   en.wikipedia.org/wiki/Volume_fraction

   The volume fraction coincides with the volume concentration in ideal solutions where the volumes of the constituents are additive (the volume of the solution is equal to the sum of the volumes of its ingredients). The sum of all volume fractions of a mixture is equal to 1:

5. Dilution (equation) - Wikipedia

   en.wikipedia.org/wiki/Dilution_(equation)

   Dilution is the process of decreasing the concentration of a solute in a solution, usually simply by mixing with more solvent like adding more water to the solution. To dilute a solution means to add more solvent without the addition of more solute. The resulting solution is thoroughly mixed so as to ensure that all parts of the solution are ...

6. Parts-per notation - Wikipedia

   en.wikipedia.org/wiki/Parts-per_notation

   The quantity "1 ppm" can be used for a mass fraction if a water-borne pollutant is present at one-millionth of a gram per gram of sample solution. When working with aqueous solutions, it is common to assume that the density of water is 1.00 g/mL. Therefore, it is common to equate 1 kilogram of water with 1 L of water.

7. How much does a 1% change in mortgage rates actually ... - AOL

   www.aol.com/finance/how-much-does-1-percent...

   Finally, there's good news for homebuyers and for homeowners who want to refinance their mortgages: The 30-year fixed mortgage rate now averages 6.73%, dropping significantly from its 20-year peak ...

8. Solution (chemistry) - Wikipedia

   en.wikipedia.org/wiki/Solution_(chemistry)

   A superscript attached to the ∞ symbol for a property of a solution denotes the property in the limit of infinite dilution." [1] One important parameter of a solution is the concentration, which is a measure of the amount of solute in a given amount of solution or solvent. The term "aqueous solution" is used when one of the solvents is water. [2]

9. Republican proposes senior tax exemption as Democrats ...

   www.aol.com/news/republican-proposes-senior-tax...

   While not all 487,000 own homes or land, exempting even a fraction of those property taxes would impact the state’s finances, not to mention recent budget projections.