Where posted, maximum speed limits indicate: o the suggested speed for driving under normal conditions
the suggested speed for driving under most conditions
o the maximum legal speed permitted at all times
o the maximum legal speed permitted under normal driving conditions

A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.