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furik1999tulanov
@furik1999tulanov
August 2022
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Напишите формулу оксида элемента с порядковым номером 13 и вычислите молекулярную массу оксида
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mrvladimir2
Verified answer
Al2O3
Mr(Al2O3) = 2Ar(Al) + 3Ar(O) = 2*27 + 3*16 = 102
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furik1999tulanov
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Verified answer
Al2O3Mr(Al2O3) = 2Ar(Al) + 3Ar(O) = 2*27 + 3*16 = 102