'25 volume' hydrogen peroxide means (A) 100 mL marketed solution contains 25 g of H2O2. (B) 1 L marketed solution contains 75 g of H2O2. (C) 1 L marketed solution contains 250 g of H2O2. (D) 1 L marke

Question

'25 volume' hydrogen peroxide means

(A) 100 mL marketed solution contains 25 g of H2O2.
(B) 1 L marketed solution contains 75 g of H2O2.
(C) 1 L marketed solution contains 250 g of H2O2.
(D) 1 L marketed solution contains 25 g of H2O2.

Prashant Kotian · Accepted Answer

Correct answer: A. 25 V H2O2 means : 1 lit of H2O2 on decomposition give 25 lit of O2(g) at NTP 2H2O2 () 2H2O () + O2 (g) mole . 25     mole . 25     Mass of H2O2 = 4 . 25   = 75.89 gram.

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