# One uranium atom has a mass of #3.95 x 10^-22# grams. How would you work out an estimate for the number of uranium atoms in 1kg of uranium?

##### 1 Answer

May 2, 2017

Well, we would calculate the quotient:

#### Explanation:

Alternatively, we could work out the molar quantity, knowing that

And thus

And then multiply this molar quantity by

Should the numbers be the same? Are the numbers the same?