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PHS Chapter 10 "Mathematics of Chemical Equations

Review the terms used to describe the calculations that can be associated with chemical equations

AB
Avogadro’s hypothesisequal volumes of all gases under the same conditions of temperature and pressure contain the same number of molecules
molar volumevolume of one mole of a gas at STP (22.4 liters)
balanced equation coefficientstells relative number of particles, relative number of moles, relative volume of gases
mass-mass problemsgiven the mass of one substance in a reaction the mass of another substance can be determined from a balanced equation
molar massthe mass of 1 mole of atoms, particles, or formula units of a substance
limiting reactantreactant in limited supply that limits the reaction


Science Instructor
Scarsdale, NY

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