LET’S MAKE A CHEMICAL REACTION

Add the sodium bicarbonate to the 250 mL beaker. Measure 45 mL of acetic acid into a graduated cylinder and then SLOWLY add it to beaker with the sodium bicarbonate. You will observe the formation of bubbles. Wait until the bubbling subsides before adding more acetic acid. When all of the acetic acid has been added, stir for two minutes before ... ................
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