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monolitovez
@monolitovez
February 2023
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Срочно!!!Даю 20 балок химия
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tunatvar
(Е-невідомий елемент беремо за х) Mr(EO3)=Ar(E)+3Ar(O)=127
x+48=127
x=79(Se)
SeO3, Se(OH)6 або Se(OH)4
2 votes
Thanks 1
monolitovez
Як Ти визначив(ла) формули з гідроксидом?
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Answers & Comments
x+48=127
x=79(Se)
SeO3, Se(OH)6 або Se(OH)4