A block of iron has a mass of 483 g. What is the mass of a block of graphite that has the same volume as the block of iron? The following densities at 25°C are provided: magnesium, 1.7 g/cm3 ; graphite, 1.8 g/cm3 ; iron, 7.9 g/cm3.
◦ 110 g
◦ 2120 g
◦ 6870 g
◦ 34 g
◦ none of them are within 10 g of the right answer.