STUDY GUIDE WITH COMPLETE VERIFIED
SOLUTIONS
Chemical Formula - ✔✔Represents the elements in a compound.
Molar Mass - ✔✔Mass of one mole of a substance.
Chlorofluorocarbons (CFCs) - ✔✔Synthetic compounds harmful to ozone layer.
Ozone - ✔✔Protective layer in Earth's upper atmosphere.
Mass Percent Composition - ✔✔Element's mass as a percentage of compound.
Mass Percent of Element X - ✔✔Calculated from the formula of the compound.
Freon-112 - ✔✔A CFC refrigerant with specific chemical formula.
Ozone Hole - ✔✔Area of depleted ozone, notably over Antarctica.
Chlorine Atoms - ✔✔Released from CFCs, harmful to ozone.
Ultraviolet Light - ✔✔Harmful radiation from the sun blocked by ozone.
Subscript in Chemical Formula - ✔✔Indicates the number of atoms in a molecule.
, Mass of Chlorine in CFC - ✔✔Determined using mass percent composition formula.
Conversion Factor - ✔✔Relates mass of an element to compound mass.
58.64% - ✔✔Mass percent of Cl in Freon-112.
Grams of Cl - ✔✔Can be converted using mass percent composition.
Chemical Reaction - ✔✔Process where chlorine reacts with ozone.
Refrigerants - ✔✔Substances used to cool or freeze materials.
Industrial Solvents - ✔✔Used to dissolve other substances in manufacturing.
Atmospheric Accumulation - ✔✔Build-up of substances in the atmosphere.
Molecular Formula - ✔✔Shows the types and numbers of atoms.
Mass Percent Calculation - ✔✔Formula: (mass of element/total mass) x 100.
Conceptual Plan - ✔✔Strategy to calculate mass percent composition.
Mass Percent Composition - ✔✔Percentage of an element's mass in a compound.
Sodium Chloride - ✔✔Chemical compound NaCl, 39% sodium by mass.