If a g is the mass of NaHC(2) O(4) requi...

If a g is the mass of `NaHC_(2) O_(4)` required to neutralize 100mL of 0.2M NaOH and b g that required to reduce 100mL of 0.02M `KMnO_(4)` in acidic medium then:

a = b

2a = b

a = 2b

b = 4a

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