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8-sinf Kimyo olimpiada №3

Yanvar 3, 2023

112 Ko'rishlar 0

SaqlashSaqlanganOlib tashlandi 0

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Vaqtingiz tugadi!

8-sinf Kimyo olimpiada №3

30.12.2022 yil oo.uzedu.uz

Online olimpiada savollari!

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Tarkibida 49g sulfat kislota bo’lgan eritmaga 20g natriy gidroksid ta’sir ettirildi.Hosil bolgan tuzni nomi va massasini toping

21,3g Na₂SO₄

21,3g NaHSO₄

60g NaHSO₃

60g NaHSO₄

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Har 10^oC reaksiya tezligi necha marta ortadi?

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