In a small school lab.
txs
2007-03-18 22:54:50 · 5 answers · asked by well.theres.a.few 6 in Science & Mathematics ➔ Chemistry
You deconcentrate it with water.
So, add different amounts of water to make different concentrations.
To concentrate it further, however, than say a store bought variety... I don't know.
2007-03-18 22:59:28 · answer #1 · answered by p37ry 5 · 0⤊ 0⤋
The link tells how to make 3% from 35% food grade hydrogen peroxide (including cautions). I read somewhere that 'food grade' means suitable for washing food not drinking it. Hydrogen peroxide may include stabilizers, etc. listed on the bottle that should not be consumed.
2007-03-18 23:03:39 · answer #2 · answered by Kes 7 · 0⤊ 0⤋
Dilute hydrogen peroxide with a little amount of H20.
2007-03-18 23:31:22 · answer #3 · answered by h-sum 4 · 0⤊ 0⤋
Dilute it with water.
2007-03-18 23:02:44 · answer #4 · answered by Anonymous · 0⤊ 0⤋
The police wonder why
2007-03-18 23:43:43 · answer #5 · answered by bwadsp 5 · 0⤊ 1⤋