) A pickpocket plans to steal the bar of gold from your purse and replace it with a sack of sand. Assume that the volume of the bar of gold(Au) and the bag of sand (silica oxide) are 641.9 mL.
[Density of gold is 19.32 g/cm3 ; Density of sand is 3.00 g/ cm3 and 1 mL= 1 cm3 ] (7marks)
A. Calculate the mass of each, the gold, and the bag of sand.

B. Would you notice the difference in the weight of the backpack?

C. Calculate the purse volume needed to hold an equivalent mass of sand, so it equals the weight of the
gold.