Question

The strength in volume of a solution containing 30.36 gm/ltr of h2o2 is

Answer 1

20 volume h2o2 solution has a strength of about

Answers : (2) volume strength is an outdated term referring to the volume of oxygen gas liberated from 1 volume of h2o2 solution . for example – if the volume strength is 20 volume , it means that 1 cm3 of h2o2 will produce from 20 cm3 of oxygen gas . 2 moles of h2o2 = 22.4 L of oxygen at STP .