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- https://chem.libretexts.org/Courses/Portland_Community_College/CH151%3A_Preparatory_Chemistry/08%3A_Counting_Atoms_Ions_and_Molecules/8.01%3A_Counting_Atoms_by_the_GramIn chemistry, it is impossible to deal with a single atom or molecule because we can't see them or count them or weigh them. Chemists have selected a number of particles with which to work that is con...In chemistry, it is impossible to deal with a single atom or molecule because we can't see them or count them or weigh them. Chemists have selected a number of particles with which to work that is convenient. Since molecules are extremely small, you may suspect this number is going to be very large and you are right. The number of particles in this group is Avagadro's number and the name of this group is the mole.
- https://chem.libretexts.org/Courses/Portland_Community_College/CH104%3A_Allied_Health_Chemisty_I_(2nd_Edition)/08%3A_Counting_Atoms_Ions_and_Molecules/8.01%3A_Counting_Atoms_by_the_GramIn chemistry, it is impossible to deal with a single atom or molecule because we can't see them or count them or weigh them. Chemists have selected a number of particles with which to work that is con...In chemistry, it is impossible to deal with a single atom or molecule because we can't see them or count them or weigh them. Chemists have selected a number of particles with which to work that is convenient. Since molecules are extremely small, you may suspect this number is going to be very large and you are right. The number of particles in this group is Avagadro's number and the name of this group is the mole.
- https://chem.libretexts.org/Courses/Anoka-Ramsey_Community_College/Introduction_to_Chemistry/06%3A_Chemical_Composition/6.04%3A_Molar_MassIn chemistry, it is impossible to deal with a single atom or molecule because we can't see them or count them or weigh them. Instead, we quantify them using moles. When the mole was determined, it was...In chemistry, it is impossible to deal with a single atom or molecule because we can't see them or count them or weigh them. Instead, we quantify them using moles. When the mole was determined, it was chosen so that the numerical value of the mass of one mole of an atom is the same as the atomic mass expressed in units of grams. When the average mass on the periodic table is expressed in units of grams, it is referred to as the molar mass.
