A bracelet of sterling silver marked 925 contains 92.5% silver by mass and 7.5% other meta...

A bracelet of sterling silver marked 925 contains 92.5% silver by mass and 7.5% other metals. It has a volume of 25.6 cm3 and a density of 10.2 g/cm3. (2.6, 2.8, 4.4, 7.1)

a. What is the mass, in kilograms, of the sterling silver bracelet?

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b. How many atoms of silver are in the bracelet?

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c. Determine the number of protons and neutrons in each of the two stable isotopes of silver:

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d. When silver combines with oxygen, a compound forms that contains 93.10% Ag by mass. What are the name and the molecular formula of the oxide product if the molecular formula is the same as the empirical formula?