Two gaseous samples were analysed. One contained 1.2 g of carbon and 3.2 g of oxygen. The other contained 27.3% carbon and 72.7% oxygen. The experimental data are in accordance with
Law of conservation of mass
Law of definite proportions
Law of reciprocal proportions
Law of multiple proportions
a. Law of conservation of mass
b. Law of definite proportions
c. Law of reciprocal proportions
d. Law of multiple proportions