This is equal to the molar mass of this substance.
The symbol of mole as unit is mol; the mass is expressed as g/mol.
the gram formula mass
Type your answer here... molar mass
This is "g/mol".
Molar Mass.
Molar Mass
A mole of a substance is 6.022X1023 atoms, molecules, or formula units of a substance.
mass
The molar mass of a substance is measured in grams per mole written as gmol-1. It is worked out using the Mole formula by dividing mass in grams by the amount in moles.
how many atoms, molecules and ions are present in one mole of a substance
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You can convert molecules to mass easily using the fact that there are 6.022*10^23 molecules in a mole of an substance. Convert your molecules to moles, then use the molar mass of your substance to determine the mass.
A mole of a substance is 6.022X1023 atoms, molecules, or formula units of a substance.
One mole is what 6.022x1023 molecules of an element masses. Example: One mole of Carbon equals 12.01 grams.
No they give mole ratios. A mole is much like a dozen, a dozen is 12 while a mole is 6.02*10^23. This means that 1 mole of a substance represents 6.02*10^23 molecules of that substance.
mass
according to Avogadro number, one mole of substance = 6.022x10^23 molecules. so 2 mole =12.044 molecules of substance. the number of molecules don't depend on what the substances are but depends on the number of mole of that substance
A mole is used to measure the amount of substance.1 mole of any substance contains 6.023 x 1023 molecules of that substance. 1 mole of a substance has mass equal to the atomic weight or molecular weight expressed in grams. Note:The number "6.023 x 1023" is called Avogadro's Number
The molar mass of a substance is measured in grams per mole written as gmol-1. It is worked out using the Mole formula by dividing mass in grams by the amount in moles.
A mole of oxygen atoms has a mass of approximately 16 grams. A mole of O2 has a mass of approximately 32 grams. A mole is 6.02 x 1023 particles and as such a mole of oxygen atoms has only half the mass of a mole of oxygen molecules.
how many atoms, molecules and ions are present in one mole of a substance
mg is milligram, a unit of mass. mmol is millimole - a unit of amount of a substance. 1 mole is equal to 6.023 x 10²³ atoms (or molecules, depending on the substance). For any particular substance, a mole of the substance will have a certain mass. Take hydrogen, for example. Hydrogen exists in nature as a diatomic molecule H2. A hydrogen atom by itself has a mass of 1 gram/mole, so the molecules of hydrogen are 2 grams/mole. So if you had 1 mmol of hydrogen gas, it would be equal to 2 mg. So to answer the question, the particular substance needs to be known.
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