Question

how to calculate the strength the hydrogen peroxide

Answer 1

$\huge\bold\red{HELLO!}$$<marquee>____²⁰⁰⁵★彡[BATALION043]</marquee>$

Strength of hydrogen peroxide: (i) As percentage. It is expressed as W/V percentage of H2O2 in solution. Thus, 30% solution of H2O2 means 30 grams of H2O2 are present in 100 ml of solution.

$<marquee scrollamount = 500>ItzHarsh★</p><p><marquee>$

Answer 2

Answer:

Explanation:

[H2O2→H2O+12O2]×2

2H2O268g2H2O+O222.4litres N.T.P.

∵22.4 litres O2 at N.T.P. obtained by 68gof H2O2

∴10 litres O2 at N.T.P. obtained by

=6822.4×10=30.35g/L

∴1000mlO2 at N.T.P.obtained by =30.35g

∴100mlO2at N.T.P. obtained by

=30.351000×100=3.035%