Ch. 3 Chemistry Vocabulary
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the quantities of materials consumed and produced in chemical equations
instrument that is currently the most accurate method available for comparing the masses of atoms
Average Atomic Mass
average mass or atomic mass for an element
represents 6.02 x 10^23 items (atoms, formal units, molecules)
one mole of something consists 6.02 x 10^23 units of that substance
allows to determine the mass percents of the elements present in a compound.
of a compound, is the simplest ratio possible for two or more elements.
multiples of the empirical formula
used to convert from one substance to another in a balanced equation. Given by coefficients in a balanced equation.
limits the amount of product produced because it runs out first.
- the actual yield of the product.
- % Yield = (actual yield) / (theoretical yield) x 100
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