Find the Mass of a Single Atom Os

$O s$

Step 1

To calculate the mass of a single atom, first look up the atomic mass of $O s$ from the periodic table. This is also the mass in grams of 1 mole of $O s$ .

$190.23$

Step 2

Use Avogadro\'s number to find the mass of a single atom.

$\frac{190.23}{6.022 \cdot 10^{23}}$

Step 3

Simplify the expression.

Divide using scientific notation.

Group coefficients together and exponents together to divide numbers in scientific notation.

$(\frac{190.23}{6.022}) (\frac{1}{10^{23}})$

Divide $190.23$ by $6.022$ .

$31.58917303 \frac{1}{10^{23}}$

Move $10^{23}$ to the numerator using the negative exponent rule $\frac{1}{b^{n}} = b^{- n}$ .

$31.58917303 \cdot 10^{- 23}$

Move the decimal point in $31.58917303$ to the left by $1$ place and increase the power of $10^{- 23}$ by $1$ .

$3.1589173 \cdot 10^{- 22}$

Find the Mass of a Single Atom Os

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