what is the mass of one mole of caco3
"1 x Ca = 1 x 40 = 40 1 x C = 1 x 12 = 12 3 x O = 3 x 16 = 48 40 + 12 + 48 = 100 (Mr of CaCO3) moles = mass / Mr mass = moles x Mr mass = 1 mole x 100 = 100grams."