In a reaction, 25 grams of reactant AB breaks down into 10 grams of product A and an unknown amount of product B. Using the law of conservation of mass, how much does product B weigh?
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14
The mass of B is silghtly less than 15 g as energy is needed for dissociation process and account. To e=mc^2, small amount of mass is converted into energy.
But it is equal to 15 g approximately.
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12
15gram of B will produce.
- According to the law of conservation of mass, the total mass of recent before a chemical reaction is the same as the total mass of the products formed after the reaction.
- 25 grams of reactant AB breaks down into 10 grams of product A. Thus to maintain the law of conservation of mass 15 grams of B will produce.
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