Member for
4 years 1 monthAge: 13-15
Level: основна школа, 8клас
Language: Ukrainian
(uk)
ID: 654473
22/01/2021
Country code: UA
Country: Ukraine
Main content: Кільіксть речовини (1253120)
From worksheet author:
Успіху)))
Other contents:
молярна маса, стала Авогадро
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