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gingejbee

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SkaletteRose

Why dissolve potassium sulphate in hydrochloric acid before adding barium chloride in a gravimetric analysis?

In labs today we analyzed sulphate ion content in a sample of K2SO4 by first dissolving in HCl and then reacting the solution with Barium chloride. Potassium sulphate dissolves in water, and the...
12:26 Mon 01st Nov 201012 answers, last by theprof 18:04 Tue 02nd Nov 2010
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ummmm

Paint colour.....

I have decided, as I'm decorating the hallway that I would like a feature wall. I'm painting it a neutral colour. The feature wall will be the one above the stairs. I've asked OH to come to B&Q...
11:41 Mon 01st Nov 201015 answers, last by mccfluff 13:03 Mon 01st Nov 2010
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rosie15@ak68

johnney wakley

does anyone know the names of all the songs johney wakley sang
18:00 Sun 22nd Aug 20103 answers, last by jomifl 22:29 Thu 26th Aug 2010

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