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A mole can mean three thing:
1) A number, like a dozen- and it is a unit, mol. 1 mol=6.02x1023. Ex: 1 mol of H2O atoms is 6.02x1023 H2O atoms.
2) At standard temperature and pressure, (STP), 1 mol=22.4 L. (liters) Ex: 1 mole of H2 gas a STP= 22.4 L.
3) The mass, in grams, of one mole of a molecule, atom, or ionic compound. Ex: 1 mole of CO2=44g because CO2 has a molar mass of 44g per mole.
What else can I help you with?
How many atoms in a mole of sodium?
There are 6.022 x 10^23 atoms in a mole of sodium, which is known as Avogadro's number. This number represents the number of particles in one mole of a substance.
How many moles of iodine are in one mole?
Two moles of iodine are present in one mole of molecular iodine (I_2), which is the formula unit for iodine.
Is mole the same as molecule?
No, mole and molecule are not the same. A mole is a unit of measurement used in chemistry to express amounts of a substance, while a molecule is a group of atoms bonded together representing the smallest unit of a chemical compound.
The amount of a substance containing the avogadro number of any kind of chemical unit?
One mole of a substance contains the Avogadro number of particles, which is approximately 6.022 x 10^23. This could be atoms, molecules, ions, or any other chemical unit depending on the substance. A mole is a standard unit used in chemistry to express amounts of a substance.
As the atomic masses of the elements on the periodic table increases what happens to each of the number of atoms in 1 mol of each element?
The number of atoms in one mole of an element is constant (Avogadro's number, 6.022 x 10^23) regardless of the element's atomic mass. This means that regardless of the element's atomic mass, one mole of that element will always contain Avogadro's number of atoms.
For which items is the mole an appropriate unit of measurement?
The mole is an appropriate unit of measurement for counting atoms, molecules, ions, and other small particles in chemistry.
What is a mole used in chemistry as?
Mole is a unit of concentration in SI; a mole is equal to the molecular mass of a compound.
Why do chemist work with moles of individual atoms?
They need a counting unit to count the number of atoms, molecules, or formula units of a substance.
How many atoms in a mole of sodium?
There are 6.022 x 10^23 atoms in a mole of sodium, which is known as Avogadro's number. This number represents the number of particles in one mole of a substance.
How does 3.45 liters equal in moles?
liter = unit of volume mole = unit of concentration
A mole of sucrose and a mole of glucose are equal in their?
...amount... One mole of sucrose and one mole of glucose refers to the same amount of molecules of each. Remember that the mole is the chemist's counting unit. One mole of something is 6.022137x10^23 particles of a substance.
Why do chemists use the mole as a counting unit in their calculations and experiments?
Chemists use the mole as a counting unit in their calculations and experiments because it allows them to easily measure and compare the amounts of different substances. The mole provides a way to quantify atoms, molecules, or ions in a consistent and convenient manner, making it easier to work with large numbers of particles in chemical reactions.
how many dollars make a million?
since a dollar is a counting unit , a 1000 dollars would equal a 1000 counting units
What is the mole unit of measurement in stoichiometry?
In stoichiometry, the mole is the unit of measurement that is used to quantify the amount of a substance. One mole of a substance is equal to Avogadro's number of particles (6.022 x 10^23) of that substance. Mole-to-mole ratios derived from balanced chemical equations are used to perform calculations in stoichiometry.
Why do we use the mole as a unit of measurement for counting atoms?
The mole is used as a unit of measurement for counting atoms because it allows us to work with a convenient and consistent quantity of atoms. One mole of any substance contains the same number of atoms, which is approximately 6.022 x 1023. This large number makes it easier to work with extremely small particles like atoms and molecules in chemical reactions and calculations.
What is difference between liters and g-mole?
Liters measure volume, while grams-mole is used to measure the amount of a substance based on its molecular weight. Liters refer to the physical space that a substance occupies, while g-mole accounts for the number of atoms or molecules in a given quantity of substance.
What is the unit for mole in calculations?
The mole is an SI unit. It is the SI unit for the amount of matter in a substance.In fact, it is an SI base unit, meaning it is defined by measurements in a laboratory and not in terms of other units.One mole of a substance is the number of entities or elementary particles in that substance equal to the number of atoms in exactly 12 g of the carbon-12 isotope.
