100 Things to See in the Night Sky, Expanded Edition: Your Illustrated Guide to the Planets, S

100 Things to See in the Night Sky, Expanded Edition: Your Illustrated Guide to the Planets, S

Kimia Tentukanlah bilangan oksidasi unsure dari senyawa k2cro7?

Tentukanlah bilangan oksidasi unsure dari senyawa k2cro7?

Jawaban:

biloks Cr = 12

Penjelasan:

K2CrO7
2K + Cr + 7O = 0
2(1) + Cr + 7(-2) = 0
2 + Cr + (-14) = 0
Cr = 12

Semoga membantu :)

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