Avogadro's Law states that under conditions of constant pressure and temperature, there is
a direct relationship between the volume and number of moles for an ideal gas. When you press
"New Problem", all but one of the cells will fill. The cursor will be in the
empty cell. Calculate the missing quantity, paying close attention to all of the
dimensions, enter it in the cell and press "Check Answer". Results appear in the second
table where running totals are also kept. If you get a problem wrong, you should redo it.