Chemistry, 02.10.2019 07:30 evandlubbep6bsvu
Asample that weighs 107.75 g is a mixture of 30% helium atoms and 70% krypton atoms. how many particles are present in the sample?
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Asample that weighs 107.75 g is a mixture of 30% helium atoms and 70% krypton atoms. how many partic...
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