Chemistry, 02.11.2019 07:31 blanca04fp
How many molecules are contained in two 540.−mg tablets of penicillin (c16h18n2o4s, molar mass 334.4 g/mol)? report your answer with the appropriate number of significant figures.
Answers: 3
Chemistry, 22.06.2019 07:00
This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.
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Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
How many molecules are contained in two 540.−mg tablets of penicillin (c16h18n2o4s, molar mass 334.4...
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