Calculate the strength of h2o2 solution having a concentration of 20 volume.
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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Answers : (2) volume strength is an outdated term referring to the volume of oxygen gas liberated from 1 volume of h2o2 solution .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 .
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