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State the mass law(s) demonstrated by the following experimental results, and explain your reasoning: Experiment 1: A student heats 1.27 g of copper and 3.50 g of iodine to produce 3.81 g of a white compound; 0.96 g of iodine remains. Experiment 2: A second student heats 2.55 g of copper and 3.50 g of iodine to form 5.25 g of a white compound; 0.80 g of copper remains.

Respuesta :

The law demonstrated by fallowing experimental results are law of conservation of mass because the mass of reactant is equal to mass of product

Antoine Lavoisier discovered in 1789 that mass is neither created nor destroyed in chemical reactions, which led to the formulation of the Law of Conservation of Mass. That is to say, the mass of any one element at the start of a reaction will be equal to that element's mass at the conclusion of the reaction. In experiment 1: 1.27 g of copper + 3.50 g of iodine = 4.77g and in the product side its 3.81 g of a white compound + 0.96 g of iodine=4.77. in experiment two 2.55 g of copper + 3.50 g of iodine= 6.05 and in product side it is 2.55 g of copper + 3.50 g of iodine =6.05 hence its proved.

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