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Chiomatn93
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What is the mass (in grams) of one molecule of H2O? Express your answer using scientific notation with two decimal places.
 one year ago
 one year ago
Chiomatn93 Group Title
What is the mass (in grams) of one molecule of H2O? Express your answer using scientific notation with two decimal places.
 one year ago
 one year ago

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completeidiot Group TitleBest ResponseYou've already chosen the best response.0
do you know avagadro's number?
 one year ago

completeidiot Group TitleBest ResponseYou've already chosen the best response.0
ok do you know the mass number of H2O? if we have a mole of molecules, the total mass is the value of the mass numbers in grams ex. a mole of helium atoms would be 4g so if we wanted to determine the mass of a single helium atom in grams, we could just divide 4g by avagadro's number
 one year ago

completeidiot Group TitleBest ResponseYou've already chosen the best response.0
mol of O 16g mol of 2H 2g mol of H20 18g
 one year ago
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