11/8/2022 0 Comments Molar mass worksheet![]() ![]() ![]() Mass of the substance = Number of moles x Molar mass of the substance Mass of 4 moles Aluminium atoms = 4 x Molar mass of aluminiumĪtoms = 2 x Molar mass of Na + 1 x Molar Mass of S + 3 x Molar Mass of O Mass of 1 mole Aluminium atoms = Molar mass of aluminium = 27g Mass of 1 mole Nitrogen atoms = Molar mass of nitrogen = 14g Mass of 1 mole of a substance = Molar mass of that substance (b) 4 moles of aluminium atoms (Atomic mass of aluminium = 27)? = (1 x mass of Ca) + (1 x mass of C) + (3 x mass of O) It means that Mass of 1 mole of Helium = 4 gramsĬalculate the Molar Mass of Calcium Carbonate (CaCO How many moles are there in 52g of Helium? Number of moles of a substance = Number of particles of the substance / Avogadro's Constant Number of atoms of the He = N = 12.044 x 10 Number of moles of a substance = Given mass of the substance / Molar mass of the substance = 1 x Molar mass of H + 1 x Molar mass of N + 3 x Molar mass of O = 1 x Molar mass of H + 1 x Molar mass of Cl = 2 x Molar mass of C + 2 x Molar mass of H The formula unit mass of a substance is theĬalculate the molar mass of the following substances. The reaction in which two compounds exchange their ions toĪn electrolyte which completely dissociates into ions is Identify the pairs which are not of Isotopes? ![]() Which sample contains the largest number of atoms How many moles of magnesium phosphate will contain Difference Between Atomic Mass and Atomic Number ![]()
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