The Physics of Coconuts

boric acid (12.4g) borax (sodium tetraborate decahydrate, 9.5g) hydrogen carbonate indicator. Method. As hydrogen carbonate is a sensitive indicator, it is important to rinse all glassware thoroughly in distilled water beforehand. Dissolve the boric acid and make up to 1 litre in distilled water. Dissolve the borax and make up to 1 litre in ... ................
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