Density = mass / volume
To solve for volume, multiply both sides of the equation by volume. This will cancel volume on the right and place it on the left.
volume x density = mass / volume x volume
volume x density = mass
Now, divide both sides by the density.
volume x density / density = mass / density
In the end, density cancels out so:
Volume = mass / density
Answer:
the steak I ate because its protein
1 mole contains 6.02 * 10^23 molecules
0.578 moles of water contains 0.578 * 6.02 * 10^23 molecules