3. Complete the OVR equation, select the coefficients using the electron-ion method, calculate the molar masses of the equivalents of the oxidizing agent and reducing agent in the reaction:
K2Cr2O7 H2S H2SO4 → Cr2(SO4)3 S ....
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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