Why do people still use the mole (unit) in chemistry?
2013年10月27日 · If you added 1 mL of each, same problem and compounded by differences in density. Since mole is a per molecule measurement, it allows you to make real comparisons …
Why is the mole a unit of measurement? - Chemistry Stack Exchange
2013年6月15日 · $\begingroup$ @matt_black (ii)My reasoning behind all of this was to try to understand why the amount of substance is usually regarded as a dimensional quantity with …
mole - What is the dimension of molar mass? - Chemistry Stack …
2022年1月3日 · $\begingroup$ Using the current official definition, you should not substitute a dimensionless number for the unit mole. A dozen is equal to 12, but a mole is not equal to the …
mole - amu and g/mol relation - Chemistry Stack Exchange
The Avogadro number is the (dimensionless) ratio of one gram to one "atomic mass unit" (now called dalton, Da): g/Da. One mole is an an Avogadro number of entities: mol = (g/Da) ent. …
What is the intuition behind 'mol' as a unit 'symbol'
2020年10月13日 · When the mole is used, the elementary entities must be specified and may be atoms, molecules, ions, electrons, other particles, or specified groups of such particles. The …
mole - Why are osmoles not considered SI units? - Chemistry …
2016年6月19日 · Maybe because "osmole" has the same measurement units as "mole" and the latter is the SI unit with that measurement unit. For example, one mole of sodium chloride …
The mole is used extensively in chemistry, why not elsewhere?
2012年6月21日 · The mole is useful in chemistry because it relates two popular but inconsistent units of mass - the atomic mass unit (u) and the gram. One mole of atoms of an element with …
Conversion of a value between g/gmol and lb/lbmol
The mole is a unit of numberical count. Like a dozen is twelve unit entities (eg. twelve eggs in a dozen eggs), 1 mol is shorthand for 6.022x10^23 counted units of the substance as …
Is “amount of substance” the same thing as “number of moles”?
2017年5月28日 · A mole is simply defined as "Avogadro number" of something. That is, 1 mole of (say) carbon atoms is about $6.02\times10^{23}$ carbon atoms. Both have a dimension of 1 …
What exactly is a mole? - Chemistry Stack Exchange
2016年10月11日 · The first thing to realize is that "mole" is not a mass unit. It is simply a quantity - a number - like dozen or gross or score. Just as a dozen eggs is 12 eggs, a mole of glucose is …