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JEE PYQ: Hydrogen Question 11

Question 11 - 2020 (03 Sep Shift 2)

The strength 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 0.25 (c) 1.7 and 0.25 (d) 0.85 and 0.5

Show Answer

Answer: (a)

Solution

Molarity $= \frac{5.6}{11.2} = 0.5$ M. %(w/w) $= \frac{0.5 \times 34}{10} = 1.7$.


Learning Progress: Step 11 of 31 in this series