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• Atoms To Grams Conversion Calculator Formula
• G To Atoms Calculator
• Atoms To Grams Conversion Calculator Online

The simple unit conversion tool which helps you to convert atoms to moles or moles to atoms units. Code to add this calci to your website Just copy and paste the below code to your webpage where you want to display this calculator. This chemistry video tutorial explains the conversion process of atoms to grams which is a typical step in common dimensional analysis stoichiometry problems. This video contains a lot of examples.

Converting atoms to grams is an essential process in basic chemistry and forms the foundation for the more difficult calculations used in more advanced chemistry. The conversion requires a fundamental understanding of Avogadro’s Number, atomic weights, dimensional analysis and the definition of a mole of a substance. Using these items, if you know how many atoms of a substance you are dealing with, you can easily convert this to grams using the following process.

Instructions

For the purpose of this demonstration we will assume that we are working with 14 atoms of carbon. Write “14 atoms C” on the top left of your scratch paper.

Avogadro’s number (6.02 x 10^23) is the number of particles of a substance in one mole (mol) of that substance. There are 6.02 x 10^23 atoms of carbon in a mole of carbon and 6.02 x 10^23 molecules of water in a mole of water. Because you are using dimensional analysis to cancel out “atoms,” to the right of what you wrote in Step 1 write as a fraction, “1 mol C / 6.02 x 10^23 atoms” and prepare to multiply across, such that your equation looks like this so far:

14 atoms C 1 mol x ------------------------------- 6.02 x 10^23 atoms C

Refer to the periodic table of elements and find the atomic weight for the substance you are working with, rounding to the appropriate number of significant digits. In this case, carbon has an atomic weight of 12.0 atomic mass units (amu). The molar mass (in grams) of any substance is always numerically equal to its formula weight (in amu), so for carbon, there are 12.0 grams (g) in one mole of carbon. Write this as a fraction to the right of Step 2, again multiplying. Also, put an equal sign to the far right. It should look like this:

14 atoms C 1 mol 12.0 g C x ------------------------------ x -------------- = 6.02 x 10^23 atoms C 1 mol C

Because the units in fractions get treated the same as numbers do, the “atoms C” from Steps 1 and 2 cancel each other out and the “mol C” from Steps 2 and 3 cancel out, leaving you with grams (g) as the unit of measurement your answer will be in. This is a good way to check your work.

Multiply across the top to get 168 g C and across the bottom to get 6.02 x 10^23.

Divide the top by the bottom, minding significant figures, to get 2.8 x 10^22 grams of carbon in 14 atoms of carbon.

• Once you have done this a few times, you will see that multiplying the number of atoms and dividing the result by Avogadro’s number (6.02 x 10^23) will suffice.

• Use only as many significant figures as the least precise number in your calculation. In this example, 14 is two significant figures, so our answer is to two figures as well.

Atoms To Grams Conversion Calculator Formula

G To Atoms Calculator

• “Chemistry: The Central Science;” Brown, Bursten, & LeMay; 1997

In a general chemistry class, you usually end up having to perform a lot of conversions involving moles (mol). Whether you’re converting from moles to grams, moles to volume, or moles to particles (atoms or molecules), use this quick guide to remind you of how to do each type of mole conversion:

Atoms To Grams Conversion Calculator Online

• Converting from mass (grams) to moles: Divide your initial mass by the molar mass of the compound as determined by the periodic table.

• Converting from moles to mass (grams): Multiply your initial mole value by the molar mass of the compound as determined by the periodic table.

• Converting from volume (liters) to moles: Divide your initial volume by the molar volume constant, 22.4 L.

• Converting from moles to volume (liters): Multiply your mole value by the molar volume constant, 22.4L.

• Converting from particles (atoms, molecules, or formula units) to moles: Divide your particle value by Avogadro’s number, 6.02×10²³. Remember to use parentheses on your calculator!

• Converting from moles to particles (atoms, molecules, or formula units): Multiply your mole value by Avogadro’s number, 6.02×10²³.

• Mole-to-mole conversions: Use the coefficients from your balanced equation to determine your conversion factor. Be sure your units cancel out so you end up with the correct mole value.