.1 moles

• Chemical amounts are measured in moles. The symbol for the unit mole is mol.
• The mass of one mole of a substance in grams is numerically equal to its relative formula mass.
• One mole of a substance contains the same number of the stated particles, atoms, molecules or ions as one mole of any other substance
• The number of atoms, molecules or ions in a mole of a given substance is the Avogadro constant. The value of the Avogadro constant is 6.02 x 1023 per mole.