chromic acid preparation from potassium dichromate
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The first step in preparing a chromic acid solution is obtain clean liter flask or beaker and fill it with 20 grams of sodium dichromate (Na2 Cr2 O7) or potassium dichromate (K2 Cr2 O7). Next add a small amount of water to the flask or beaker and stir with a glass stirring rod to make a paste
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