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Example 1: A box of salt contains 737 gof NaCl. How many moles of NaCl are present in the box?
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Example 3: Silver metal is used in the manufacture of tableware, mirrors, jewelry, and dental alloys.
If the design for a piece of jewelry used 4.51 x 10ze atoms of silver, how many grams were used?
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Practice Problems - Show all your work, including units, and answer in 3 sig figs.
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Identifir and calculate the number of represeritative particles in 3.00 moles of aluminum sulfate,
Alz(SO+):, a common ingredient found in antiperspirants.
supplement or antacid. Calculate its molar mass.
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to make a number of different alloys. What is the mass of lead present in an
alloy containing 0.15 mol of lead?
Lead, Pb, is used
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UFo is a gas used
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in the production of fuel for nuclear power plants. How many moles of the gas
are in 1259 of UFs?
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CCIsCFs is a chlorofluorocarbon responsible for the destruction of the ozone layer in Earth's
atmosphere. How many molecules of the liquid are in 1.009 of CClsCFs?
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Ibuprofen, an anti-inflammatory has the formula, CraHre0z. How many carbon atoms are
present in 0.525 moles of ibuprofen?
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