See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

20 mL of ‘10 volume’ 2 2 H O solution produces 200 ml of 2 O at STP (or 2 200 mole of O 22400 ) 2 4 2 2 2 C H 3O 2CO 2H O    2 200 mole of O 22400 will burn 2 4 1 200 28 g of C H 3 22400         Required answer = 83 mg.