during electrolysis of aqueous solution containing 500 ml of NaBr, the cathode was obtained o, 56 l hydrogen under normal conditions. Find the mass in grams of the substance was obtained in the anode and the pH of the solution.
4. whats a chemical where it will change a color when its near Lactic Acid ?
5. Whats a chemical that will change a color when coming across Lactic Acid ?