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Chemistry 69 Online
OpenStudy (anonymous):

. What does the law of conservation of mass say? (Points : 3) The mass of the reactants is greater than the mass of the products in a chemical reaction. The mass of the products in a chemical reaction is equal to the mass of the reactants. The mass of the reactants is less than the mass of the products in a chemical reaction. The mass of the products in a chemical reaction is unrelated to the mass of the reactants. Question 4. 4. Which of the following equations is balanced? (Points : 3) P + 2O2 PO2 P + O2 P2O5

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