x-gram of NaNO₂ is dissolved in water to make 100 mL solution, 10 mL of this solution required 10 mL, 1.12 volume H₂O₂ for

Question

x-gram of NaNO₂ is dissolved in water to make 100 mL solution, 10 mL of this solution required 10 mL, 1.12 volume H₂O₂ for complete oxidation to make NaNO, in acidic medium. Find x (molar mass of NaNO₂ = 69 g/mol).

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