54. (v12z-130-4) К2СГ2О7 + C + H2SO4 ->
—> Cr2(S04)3 + CO2 + K2SO4 + H2O reaksiyada qatnashgan oksidlovchining ekvivalentini toping.
A) 294 B)98 C)49 D)147
54. (v12z-130-4) К2СГ2О7 + C + H2SO4 ->
—> Cr2(S04)3 + CO2 + K2SO4 + H2O reaksiyada qatnashgan oksidlovchining ekvivalentini toping.
A) 294 B)98 C)49 D)147
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Ñáîðíèê: Kimyo
Ïàðàãðàô:
51.3. OQR tuzish va hisoblash masalalar
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