1.

Elements A and B form two different compounds. In first case 0.52 grams of A combines with 0.72 grams of B and in second case 0.15 grams of A combines with 0.65 grams of B. Show that these data illustrate the Law of multiple proportion.

Answer»

multiple PROPORTIONS:Dalton stated that “when two elements MIX for the formation of two compounds or more compounds then the ratio of mass of one element that combines with a “fixed mass” of the other element in the two compounds is a simple whole number ratio”.From the GIVEN data,In a compound I, 0.52 g of A combines with 0.72 g of B.Thus, one GRAM of A combines with of B1.4 g of B combines 1 g of AIn compound II, 0.15 g of A combines with 0.65 g of BThus, 1 g of A combines with of B4.3 g of B combines with 1 g of ATherefore,  Thus, the mass of B which combines with 1 g of A in two different compounds have a simple ratio.



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