COUNTING ATOMS AND MOLECULES: THE MOLE
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Define isotope and radioisotope
Solve problems involving percentage abundance of isotopes and relative atomic mass
Describe the relationship between the mole, Avogadro’s constant and molar mass
Solve problems involving number of moles, number of particles and mass
Calculate the molar mass of a compound
CHEMICAL PROPORTIONS IN COMPOUNDS
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Understand and apply the law of definite proportions
Calculate the percent composition of a compound using the formula and the relative
atomic masses of the elements
Calculate the empirical formula and molecular formula from data
Determine empirical formula and percent composition of a compound by experiment
Determine the chemical formula of a hydrate through experimentation
Identify situations / instrumentation in which the analysis of substances is important –
(forensic scientists, carbon-hydrogen combustion analyzer etc…)
CHEMICAL REACTION CALCULATIONS
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Interpret chemical equations in terms of moles, grams, atoms or molecules
Manipulate mole ratios in a balanced chemical equation
Calculate mass - mass calculations
Calculate the mole ratio & mass-mass relationship for a reaction through experiment
Solve problems involving limiting and excess reactants
- perform experiment to determine the limiting reactant in a chemical reaction
Solve problems involving percent yield, actual yield and theoretical yield
- perform experiment to determine the percent yield of a chemical reaction
Suggest sources of experimental error in the calculation of percent yield