# 1) Moles are a number

One mole is a number and is equal to 6x10^{23}. The story below will help you to remember this number.

And then they made three.

**6** x **10**^{23}

^{23}

## Summary

1 mole is a number: 6 x 10^{23}

6 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10

Or: 600,000,000,000,000,000,000,000 (six hundred thousand million, million, million)

This amazingly big number is often referred to as **Avogadro’s Constant.**