Chemistry Examples

$B$

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

$10.81$

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

$\frac{10.81}{6.022 \cdot 10^{23}}$

Simplify the expression.

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Multiply $6.022$ by $10^{23}$ .

$\frac{10.81}{602200000000000000000000}$

Divide $10.81$ by $602200000000000000000000$ .

$0$

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