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Molality and Percent

cava s2d22 303 2.06 Molality and Percent by mass or volume

QuestionAnswer
A percentage is a part out of the whole, where the whole is [...]. A percentage is a part out of the whole, where the whole is 100.
Percent solutions are often called volume/[...] calculations. Percent solutions are often called volume/volume calculations.
It's easy to calculate the volume/volume percent of a [...]/[...] solution because it's easy to measure the volume of [-s]. It's easy to calculate the volume/volume percent of a liquid/liquid solution because it's easy to measure the volume of liquids.
The concentration of a solution can also be given in terms of a mass/[...] percentage. The concentration of a solution can also be given in terms of a mass/mass percentage.
[Mola-] with the symbol m (lower-case!), is a measure of the number of moles of a solute in 1 kilogram of solvent. MolaLITY with the symbol m, is a measure of the number of moles of a solute in 1 kilogram of solvent.
Remember that moLARity is per [...] because molaR and [...] both end in R. Remember that moLARity is per LITER because molaR and liteR both end in R.
Remember that moLaLity is not per [...] because molaL and [...] don't end in the same letter. Remember that moLaLity is not per LITER because molaL and liteR don't end in the same letter.
Molarity and molality are ratios: They compare moles of solute to some measure of [...]. Molarity and molality are ratios: They compare moles of solute to some measure of solvent.
All percentages (mass/mass, volume/volume) are [...]: they compare a part to the whole. All percentages (mass/mass, volume/volume) are fractions: they compare a part to the whole.
[Mola--ity] is rarely used, but [mola--ity] is very common. MoLALity is rarely used, but MoLARity is very common.
A percentage is a part out of the [...], where the [...] is 100. A percentage is a part out of the whole, where the whole is 100.
MolaLITY with the symbol m, is a measure of the number of moles of a solute in 1 [...] of solvent. MolaLITY with the symbol m, is a measure of the number of moles of a solute in 1 kilogram of solvent.
MolaLITY with the symbol m, is a measure of the number of moles of a solute in 1 kilogram of [...]. MolaLITY with the symbol m, is a measure of the number of moles of a solute in 1 kilogram of solvent.
All percentages (mass/mass, volume/volume) are fractions: they compare a [...] to the [...]. All percentages (mass/mass, volume/volume) are fractions: they compare a part to the whole.
Created by: mr.shapard
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