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Chemistry Forums for Students => Inorganic Chemistry Forum => Topic started by: grizzle on June 16, 2011, 11:58:26 AM

Title: Dilution of 7% H2O2 Solution to 3%?
Post by: grizzle on June 16, 2011, 11:58:26 AM: How would I dilute 3 ml of 7% Hydrogen Peroxide to make a 3% solution? I suppose I only need the water amount in ml. Thanks for your time.
Title: Re: Dilution of 7% H2O2 Solution to 3%?
Post by: grizzle on June 16, 2011, 12:13:09 PM: It doesn't have to be exact, but pretty close. 3 ml water added would be 3.5%, so, what, add around 3.5 ml water total?
Title: Re: Dilution of 7% H2O2 Solution to 3%?
Post by: Borek on June 16, 2011, 02:35:05 PM: Close. 4.1mL.
Title: Re: Dilution of 7% H2O2 Solution to 3%?
Post by: enahs on June 16, 2011, 05:32:59 PM: On the particle side of things. If this 7% H2O2 solution you have was made up any significant amount of time ago, it is less the 7% by now.