You add 8.2g of iron to 25.40mL of water and observe that the volume of iron and water together is 26.44mL . Calculate the density of iron.

1 answer

evidently the volume of iron is 26.44-25.40 = 1.04 mL.

So, the density is 8.2g/1.04mL = 7.88 g/mL