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11 Dec 2019

Which of the following is/are conserved in a chemical reaction?

1. moles of compounds (ex. If there are 4 moles of reactants, there must be 4 moles of products)

2. mass (ex. If the reactants have a total mass of 65 grams, then the products must have total of 65 grams)

3. number of each type of atom (if there are 6 atoms of H on the product side, there must be 6 atoms of H on the reactant side)

a. 1 only

b. 2 only​

c. 1 and 2 only

d. 2 and 3 only

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Beverley Smith
Beverley SmithLv2
13 Dec 2019

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