A metal carbonate decomposes according to following reaction
`M_(2)CO_(3)(s) rArr M_(2)O_(s) + CO_(2)(g)`
Percentage loss in mass on complete decomposition of `M_(2)CO_(3)(s)` (Atomic mass of M = 102) is:
A. `(100/3)%`
B. `(50/3)%`
C. `(25/3)%
D. 0.15