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Chemistry, 05.10.2019 15:50 Ideen

Asample that weighs 103.75 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 103.75 g is a mixture of 30% helium atoms and 70% krypton atoms. how many partic...

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