A gold bullion dealer advertised a bar of pure gold for sale. The gold bar had a mass of 2630 g and measured 3.13 cm x 4.95 cm x 6.26 cm. Use this information to determine if the bar was pure gold. (a) The volume of the bar is i cm and the mass of the bar is 2630 g. therefore, the density of the bar is equal to i g/cm3 (b) Was the bar pure gold? no O y