Chemistry Examples

Find the Mass of a Single Atom Na
Step 1
To calculate the mass of a single atom, first look up the atomic mass of from the periodic table. This is also the mass in grams of 1 mole of .
Step 2
Use Avogadro's number to find the mass of a single atom.
Step 3
Divide using scientific notation.
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Step 3.1
Group coefficients together and exponents together to divide numbers in scientific notation.
Step 3.2
Divide by .
Step 3.3
Move to the numerator using the negative exponent rule .
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