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level: Mole concept and law of conservation of mass

Questions and Answers List

level questions: Mole concept and law of conservation of mass

QuestionAnswer
State Avogadro's number6.02 × 1023
Define molar massThe sum of the total mass in grams of the atoms present to make up a molecule per mole
Define a moleThe amount of substance containing the same number of molecules as there are atoms in exactly 12 g of 12C.
Define relative atomic massThe weight in grams of the number of atoms of the element contained in 12.00 g of carbon-12
Define empirical formulaChemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule
Define molecular formulaChemical formula that gives the total number of atoms of each element in each molecule of a substance