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At what point does Sulfuric Acid reach its lowest Ph?
Dilute solutions to which you are referring now, where you have to take account of water equilibrium ...		 24-2-2009 at 13:18
by: len2
At what point does Sulfuric Acid reach its lowest Ph?
That dont work.

If pK1 for H2SO4 = -3 then

[H2SO4] = ([H]/10^3) [HSO4]

without added HBr, [ ...		 24-2-2009 at 01:48
by: len2
Preparation of cyanides
Someone on the forum was interested in this so I tried it out.

[quote]

Decomposition of Potass ...		 22-2-2009 at 04:51
by: len2
Qualitative Tests
Here's a free book on the Web on this very interesting subject (though not the one Magpie was referr ...		 21-2-2009 at 14:23
by: len2
Something Else to Do with Your Red P
[quote][i]

A bit of drift now, looking at some of the references given here and elsewhere, I noti ...		 18-2-2009 at 02:48
by: len2
A lab 40V 250W power supply
Sorry I couldnt reply earlier. The resistor at pin 4 going to positive is about 4.7k, the capacitor ...		 22-9-2008 at 02:27
by: len2
A lab 40V 250W power supply
Sorry for long absence.

The next step in the development is the following modification of the PCS ...		 13-9-2008 at 19:09
by: len2

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