Laboratory Grade Sodium Bicarbonate, 2.5kg Base Size_13 x 7" Two-hundred-sixty-three-piece advanced VSEPR kit with

Two-hundred-sixty-three-piece advanced VSEPR kit with multifaceted atom pieces for trigonal-planar

Engineered with a higher spring constant than a classic coiled novelty spring

They will perform

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

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

Laboratory Grade Sodium Bicarbonate, 2.5kg Base Size_13 x 7" Two-hundred-sixty-three-piece advanced VSEPR kit withBulk 2. 5kg of laboratory grade sodium bicarbonate, the high volume buffering agent for whole class acid base demonstrations, fermentation chemistry, and pH control experiments.