Dec 03, 2011 ยท Well we are trying to make chalk and one of our reactants is Potassium Carbonate. Our teacher said the Molar Mass of Potassium Carbonate is 165.227 (since its K2CO3-1.5H2O) However according to the internet its just K2CO3, which is just 138 mol So which ones correct? Roofed forest island hypixel skyblock wikiWalter lewin death

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