# Finding Mass: Converting ml --> grams

What is the mass in grams of 1ml of Hydrogen protons with the given radius of 5x10 to the -14 cm???

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#### Solution Preview

We will assume that the proton is spherical. In order for spheres to pack together, they will meet at their edges and there will be empty space between them. Just think of pouring golf balls into a large bucket. In fact, they will pack together in much the same way as cubes pack together. So, in a sense, all we have to do is find out the size of an imaginary "proton cube." The actual proton sphere will ...

#### Solution Summary

This solution exlains how to determine how many grams there are in 1 mL.

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