Prepare the following chemicals: Solution A: Pour 400 mL distilled water in a 2L beaker. Wearing gloves, pour 410mL of 30% hydrogen peroxide into the beaker of water. Dilute the solution to 1L with ...
The solution you've needed. Instead of masking or bleaching stains, hydrogen peroxide breaks them apart and lifts them away.
60C works very well. Add 30mL of 30% hydrogen peroxide with stirring. Point out that the reaction is proceeding very slowly if at all (no gas bubbles visible). Pour 50mL of 0.4M cobalt chloride ...
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