define the law of conservation of mass and describe with the activity
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The ‘law of conservation of mass’ says that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. The mass of the products in a chemical reaction must equal the mass of the reactants.. Laws of constant proportion – It states that in a chemical substance the elements are always present in a fixed proportion by their mass. In Landolt’s experiment, NaCl\ and\ AgNO_3NaCl and AgNO3 were taken in a U-Shaped tube and weighed. The tubes were tilted to let the solutions mix and react with each other. They were weighed again and the weight was the same as before.
the law of conservation of mass states that mass can neither be created nor be destroyed. If we account for all reactants and products in a chemical reaction, the total mass will be the same at any point in time in any closed system. weigh a test tube. ... this will be equal to the weight of the reactant
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