Chemistry, 08.12.2020 03:10 mecennabosaaen
What does percent composition tell you about a substance?
O A. It gives you the molecular formula of the substance.
O B. It gives you the total mass of the substance,
O C. It tells you what the substance is made of,
O D. It tells you how many moles are in the substance,
Answers: 2
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One similarity and one difference between an element and a mixture of elements
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How does carbon monoxide pose the greatest threat to humans? a. it can be produced by wood fires. b. it can be produced by home furnaces. c. it is produced by acid rain. d. it is produced by modern automobiles.
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Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants
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What does percent composition tell you about a substance?
O A. It gives you the molecular formula o...
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