How Many Atoms Thick Is A Sheet Of Aluminum Foil

Record the title purpose materials a prediction for how many atoms thick a sheet of foil is procedure and result in a sheet of paper.

How many atoms thick is a sheet of aluminum foil.

0 23 g divided by 2 70 g cm 3 0 2327 cm 3. Or 1 cc contains 0 1 mols or 6 02e22 atoms. How to measure the easiest way to measure the thickness of the aluminum foil is with a micrometer. Please help how to calculate how many atoms thick is a sheet of aluminum foil.

Think of the foil as a bunch of spherical atoms stacked on top of each other and touching only at a tangent point. According to the alcoa website aluminum foil is a flat rolled product rectangular in cross section of thickness from 0 006 quot 0 15mm to. A mole of aluminum weighs 27 grams the density of aluminum is 2 7 grams per cubic cm so one mole occupies a cube with volume of 10 cc. 1 al atom 286pm convert pm to m 286pm 2 86 10 10m convert m to cm 2 86 10 10m 2 9 10 8cm divide aluminum thickness and al atom thickness 1 57 10 3 chemistry.

How many atoms thick is a sheet of aluminum foil. Counting atoms in a sheet of aluminum foil. My teacher said conversion factors were key to answering the lab. Okay so i m doing a chemistry lab where we were given a sheet of aluminum foil and have to calculate how many atoms thick the sheet is.

0 8 cm times 0 7 cm times x 0 2327 cm 3. Construct a data table with the headings listed below. We took squares of aluminum foil measured the surface area and mass. Biche answer approximately 193 000 atoms thick.

How many atoms are there in a piece of aluminum foil 3 6 inches in length and 12 0 inches in width and 0 081 mm thick. Length of square cm area of square cm2 mass of al square g volume of al piece cm3 thickness of foil cm and the number of atoms in the. How many al atoms thick is the aluminum foil if it is 0 00157cm thick. I have to figure this out for chemistry and we took all the measurements in class the density of alumnium foil.

Assuming the aluminum atoms stack directly on top of each other use the diameter of an atom to figure out how many. How many atoms thick is aluminum foil. The thickness of aluminum foil is about 0 002 cm. Finding a stock aluminum foil much thicker than this is often hard to find and requires a custom order.

X 0 415536 cm. Aluminum foil has a thickness of eq 2 86 times 10 3 eq cm. By dividing the mass by a known density value we obtained the volume of aluminum foil in our sample. The cube root gives 3 92e7 atoms cm on a side multiply this by the thickness of the foil gives 75 000 atoms thick.

This is a fairly rough estimate from classroom data.