how to prepar chromic acid
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to prepare a chromic acid...wash mix 20g of sodium or pottasium chromate
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Helloo!!
1. put ..... g of powdered sodium dichromate into the liter glass beaker
2. Mix in a small amount of water to form a paste and stir thoroughly with a glass rod.
3. Continue to stir the mixture while slowly adding ...... ml of concentrated sulfuric acid to the beaker.
4. pour the solution from the beaker into a glass bottle with a stopper on top!!
hope it helps
1. put ..... g of powdered sodium dichromate into the liter glass beaker
2. Mix in a small amount of water to form a paste and stir thoroughly with a glass rod.
3. Continue to stir the mixture while slowly adding ...... ml of concentrated sulfuric acid to the beaker.
4. pour the solution from the beaker into a glass bottle with a stopper on top!!
hope it helps
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