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2. Volume fraction - Wikipedia

   en.wikipedia.org/wiki/Volume_fraction

   Volume fraction. In chemistry and fluid mechanics, the volume fraction is defined as the volume of a constituent Vi divided by the volume of all constituents of the mixture V prior to mixing: [1] Being dimensionless, its unit is 1; it is expressed as a number, e.g., 0.18. It is the same concept as volume percent (vol%) except that the latter is ...

3. Fractional excretion of sodium - Wikipedia

   en.wikipedia.org/wiki/Fractional_excretion_of_sodium

   CSF/S glu = 0.6. The fractional excretion of sodium ( FENa) is the percentage of the sodium filtered by the kidney which is excreted in the urine. It is measured in terms of plasma and urine sodium, rather than by the interpretation of urinary sodium concentration alone, as urinary sodium concentrations can vary with water reabsorption.

4. Mass fraction (chemistry) - Wikipedia

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

   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.% or % w/w; see mass versus weight). It is one way of expressing the composition of a mixture in a dimensionless size ; mole fraction (percentage by moles , mol%) and volume fraction ...

5. The 4% rule for retirement: Is it time to rethink this ... - AOL

   www.aol.com/finance/4-percent-rule-retirement...

   The 4% rule is designed to make your retirement savings last for 30 years. For example, if you retire at age 65 with $1 million in savings, the rule suggests you can withdraw $40,000 per year ...

6. Savings interest rates today: Step up your savings with ... - AOL

   www.aol.com/finance/savings-interest-rates-today...

   Let's say you invest $10,000 into an account that pays 3% in simple interest. After three years, you’d have earned $900 in interest — $300 each year — for a total of $10,900 in your account.

7. Copper - Wikipedia

   en.wikipedia.org/wiki/Copper

   2 O) 4 (OH) 2 + 4 NH 3 → [Cu(H 2 O) 2 (NH 3) 4] 2+ + 2 H 2 O + 2 OH −. Many other oxyanions form complexes; these include copper(II) acetate, copper(II) nitrate, and copper(II) carbonate. Copper(II) sulfate forms a blue crystalline pentahydrate, the most familiar copper compound in the laboratory. It is used in a fungicide called the ...