Chemistry, 25.02.2021 20:50 lol15arec001
What is the percent by mass of H in toluene (C7H8)? The molecular weight of carbon is 12.0107 g/mol and of hydrogen 1.00794 g/mol. Answer in units of %.
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What is the subscript for oxygen in its molecular formula
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Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
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Chemistry, 22.06.2019 23:00
What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
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What is the percent by mass of H in toluene (C7H8)? The molecular weight of carbon is 12.0107 g/mol...
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