The hydration of crotonate to form 3-hydroxybutyrate occurs by the addition of -OH to the Si face of C3, followed by protonation at the Si face of C2. Draw the product of the reaction, showing the stereochemistry.

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the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3

answer7,570,82356 cubic centimeters;