3.Mass Relationships in Chemical Reactions 0.0 / 5 ? ChemistryMass Relationships in Chemical ReactionsUniversityNone Created by: kpaul1234Created on: 15-04-21 21:59 Define a Formula Unit A formula unit is one unit of particle (atom, ion, molecule) corresponds to a given formula. 1 of 8 Define a Unified Atomic Mass (u). The UAM of an element is the average mass of the element's atoms. 2 of 8 Define Molecular Weight. Molecular weight is the sum of all atoms in a molecule. 3 of 8 Define Formula Weight Formula weight is the sum of atomic weights of all atoms in a formula unit of any compound, molecule or ion. 4 of 8 State Avogadro's constant. 6.022x10^23 5 of 8 Define a limiting reactant. A limiting reactant is a reactant that is present in limiting amount. 6 of 8 Define Empirical Formula An empirical formula is a formula that gives the smallest whole number ratios of atoms in the compounds. 7 of 8 Define Molecular Formula Molecular formula is the formula that tells the actual numbers of atoms in a molecule. 8 of 8
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