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Molar concentration or molarity is most commonly expressed in units of moles of solute per litre of solution. [1] For use in broader applications, it is defined as amount of substance of solute per unit volume of solution, or per unit volume available to the species, represented by lowercase : [2]
The official symbol for the SI prefix micro is a Greek lowercase mu (μ). [7] For reasons stemming from its design, Unicode has two different character codes for the letter, with slightly different appearance in some fonts, although most fonts use the same glyph.
The SI unit is the katal, 1 katal = 1 mol s −1 (mole per second), but this is an excessively large unit. A more practical and commonly used value is enzyme unit (U) = 1 μmol min −1 (micromole per minute). 1 U corresponds to 16.67 nanokatals. [1]
The Avogadro constant (symbol N A = N 0 /mol) has numerical multiplier given by the Avogadro number with the unit reciprocal mole (mol −1). [2] The ratio n = N/N A is a measure of the amount of substance (with the unit mole). [2] [3] [4]
The katal (symbol: kat) is that catalytic activity that will raise the rate of conversion by one mole per second in a specified assay system. [1] It is a unit of the International System of Units (SI) [1] used for quantifying the catalytic activity of enzymes (that is, measuring the enzymatic activity level in enzyme catalysis) and other catalysts.
Here are the symptoms to look for, plus how long you're contagious for, per an infectious disease doctor. Norovirus cases are surging in the US, the CDC says. Here are the symptoms to look for ...
Your options when a CD matures. When your CD matures, you have three main options: roll it into a new CD, withdraw your money or let the bank automatically renew it.
Change in volume with increasing ethanol fraction. The molar volume of a substance i is defined as its molar mass divided by its density ρ i 0 : V m , i = M i ρ i 0 {\displaystyle V_{\rm {m,i}}={M_{i} \over \rho _{i}^{0}}} For an ideal mixture containing N components, the molar volume of the mixture is the weighted sum of the molar volumes of ...