Question 1: What does the law of conservation of mass state? (a) Mass can be created but not destroyed. (b) Mass can be destroyed but not created. (c) Mass cannot be created or destroyed. (d) Mass is constant in a closed system.

Practise Questions on Law of Conservation of Mass. Q1. State the law of Conservation of mass. Q2. In a chemical reaction, 300 grams of reactant A are combined with 100 grams of reactant B. Both A and B react to completion. How much will the product weigh? a.) 200 grams. b.) 400 grams. c.) 300 grams. d.) It cannot be determined from the given ...

What is the law of conservation of mass? The amount of matter changes when reacted or changed. The mass of all reactants are changed during a physical or chemical change

What does the law of conservation of mass state? That during a chemical reaction, the total mass of the products must be equal to the total mass of the reactants. In other words, mass cannot be created or destroyed during a chemical reaction, but is always conserved.

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What coefficient for O2 demonstrates the law of conservation of mass? How does the concept of conservation of mass apply to chemical reactions? The reactants and products have exactly the same atoms. The reactants and products have exactly the same molecules. The change in the amount of matter is equal to the change in energy.

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There are two reactants in a chemical equation, and one product. The mass of the product is 30g. The mass of the first reactant is 17g. What must the mass of the second reactant be, if the equation is to follow the law of conservation of mass?

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1) Who proved the law of conservation of mass? a) Antoine Lavoisier b) Anton Van Leeuwenhoek c) Robert Brown 2) Acc. to Law of conservation of mass, the mass of product in a chemical reaction is _____________ to the mass of reactant.