25.5 g of H_(2)O_(2) solution on decomposition gave 1.68 L of O_(2) at STP. The percentage strength by weight of the solution is

25.5 g of H_(2)O_(2) solution on decomposition gave 1.68 L of O_(2) at

1.	25.5 g of H_(2)O_(2) solution on decomposition gave 1.68 L of O_(2) at STP. The percentage strength by weight of the solution is
Answer» 30 10 20 25 Answer :C