Chlorophyll contains 2.68% of Mg by weight. Calculate the number of Mg atoms in 2.00 g of chlorophyll. (Atomic mass of Mg = 24)
(a) (1.42 × 10²¹) atoms
(b) (3.55 × 10²¹) atoms
(c) (7.10 × 10²¹) atoms
(d) (1.42 × 10²²) atoms