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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 onlyâ
c. 1 and 2 only
d. 2 and 3 only
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 onlyâ
c. 1 and 2 only
d. 2 and 3 only
Beverley SmithLv2
13 Dec 2019