Which of the following statements is incorrect?
0.25 mole of c has the same number of atoms as 0.25 mole of hg.
1 mole of hydrogen atoms equals 1 mole of helium atoms.
1 mole of carbon atoms and 1 mole of oxygen atoms are a 1: 1 ratio.
1 mole of xenon atoms is more than 1 mole of neon atoms.

D. 1 mole of xenon atoms is more than 1 mole of neon atoms

Calculate the volume of each shape.

Volume of rectangle = 6 x 5/6 x 1 2/6 = 6 2/3 cubic inches.

Volume of cube = 1/6 x 1/6 x 1/6 = 1/216 cubic inch.

Now divide the volume of the rectangle by the volume of the cube:

6 2/3 / 1/216 = 1440

It will take 1.440 cubes to fill the rectangle.