Chemistry, 05.02.2020 12:53 morganashley6795
How many moles of potassium are represented by 7.85 _ 1024 potassium atoms?
Answers: 2
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Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.
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State one important difference between a physical change and a chemical change?
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What are the other two pieces of glassware you used in this experiment that you could obtain hundredths digit accuracy?
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How many moles of potassium are represented by 7.85 _ 1024 potassium atoms?...
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