A piece of alminum foil contains 3.6 x 1021 aluminum atoms.  1) What is the mass of the aluminum foil in grams? 2) The density of aluminum is 2.7 g/cm3. What is the volume of the foil in cm3? 3) Rolls of aluminum foil are 310 mm wide and 0.016 mm thick (height). What length of foil in centimeters contains 3.6 x 1021 aluminum atoms?

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Q: copper C iron C uminum OTHERS C

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A: I

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A: Given: A element = red atom B element = green atom

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Q: A 4.450 g sample of hydrated lithium iodide, LiI·xH2O, is dried in an oven. When the anhydrous salt…

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Q: A pure titanium bicycle frame contains 1.61 x 10^25 titanium atoms. What is its mass in kilograms?

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Q: What is the mass of 3.50 billion billion atoms of rhenium?  (One billion billion is 1 x 10^18)

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Q: The element silicon has a melting point of 1,410°C and a boiling point of 2,355°C. It is a weak…

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Q: A 5.70 g mixture contains both lithium fluoride, LiF, and potassium fluoride, KF. If the mixture…

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Q: what is the mass in grams of 1.49 x 10^17 chromium atoms?

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Q: Question 2

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Q: Solid copper(II) chloride forms a hydrate of formula CuCl2 ⋅ xH2O. A student heated a sample of…

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Q: Question attached

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Q: Question 3

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Q: calcium, how many kilograms of calcium are there in a

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