JEE Mains Chemistry Past PapershardMCQ SINGLE

The strengths of 5.6 volume hydrogen peroxide (of density 1 g/mL) in terms of mass percentage and moJEE Mains Chemistry Past Papers Chemistry Question

Question

The strengths of 5.6 volume hydrogen peroxide (of density 1 g/mL) in terms of mass percentage and molarity (M) respectively, are: (Take molar mass of hydrogen peroxide as 34 g/mol) (A) 1.7 and 0.5 (B) 0.85 and 0.5 (C) 1.7 and 0.25 (D) 0.85 and 0.25

Answer: A

💡 Solution & Explanation

For H2O2 Molarity = . strength Volume = . 6 . = 0.5 M Molarity =   GMM d w / w %     1 w / w % .    %(w/w) = 34 .  = 1.7 | JEE MAIN-2020 | DATE : 03-09-2020 (SHIFT-2) | PAPER-2 | OFFICIAL PAPER | CHEMISTRY PAGE # 6

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