Laboratory Grade Sodium Bicarbonate, 2.5kg Base Size_13 x 7" 25 inches tall with four

25 inches tall with four differently-shaped connected tubes on a plastic base

Hundred-twenty-seven-piece molecular model kit for inorganic chemistry with single and double covalent bonds

pre-assembled on a benchtop base for hands-on fluid-mechanics demonstrations

holding pH stable at 25 degrees C for calibrating meters and electrodes at the standard low-acid reference point

Laboratory Grade Sodium Bicarbonate, 2.5kg Base Size_13 x 7" 25 inches tall with fourBulk 2. 5kg of laboratory grade sodium bicarbonate, the high volume buffering agent for whole class acid base demonstrations, fermentation chemistry, and pH control experiments.