A sample of Ascorbic acid (vitamin C) is synthesized in the laboratory; it contains 1.50 g of Carbon and 2.00 g Oxygen. Another sample of Ascorbic acid isolated from citrus fruits contains 6.35 g of Carbon. How many grams of Oxygen toes it contain ? Which law do you assume in answering this question ?
1) 7.25 : Law of conservation of mass
2) 6.35 : Law of definite proportions
3) 8.47 : Law of definite proportions
4) 6.35 : Law of multiple proportions
3) 8.47 : Law of definite proportions