The number of water molecules present in a 300 residue soluble protein of spherical shape (diameter = 2nm) having 20% (V/V) water is closest to Assume density of water = 1000kg / (m ^ 2) Avogadro’s number = 6 * 10 ^ 23
(1) 224
(3) 140
(2) 9
(4) 28


