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ture
phosphate, what minimum mass of the ore must be processed to
by
obtain 1.00 kg of phosphorus?
of
A multivitamin label indicates that each tablet contains 1 mg of
copper, in the form of cupric sulfate. Each tablet has a mass of
1.43 g.
a. How many moles of copper are found in each multivitamin
tablet?
at
b. What is the mass of sulfate in each tablet?
c. What is the mass percent of copper in each tablet?
150. A multivitamin label indicates that each tablet contains 200 mg
of calcium, in the form of calcium carbonate. Each tablet has a
mass of 1.43 g.
a. How many moles of calcium are found in each multivitamin
tablet?
b. What is the mass of carbonate in each tablet?
c. What is the mass percent of calcium in each tablet, to two
significant figures?
) 2x10-5
mul
b) 2ma

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