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How would you find the Molar mass of Calcium Carbonate (caco3) and the mass?

April 26, 2017caco3 calcium carbonate Chemistry mass Mathematics molar

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How would you find the Molar mass of Calcium Carbonate (caco3) and the mass?

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First of all, find the atomic mass of each element in the compound. Calcium has a mass of 40.078, Carbon has a mass of 12.0107 and Oxygen has a mass of 15.9994 but since you have 3 oxygens in the compound you multiple 15.9994 by 3 and you get 47.9982. Next you add all these values up to get the Molar mass of the compound which answers the first part of your question. 40.078 + 12.0107 + 47.9982 = 100.0869. Now for the second part of the question, since you have 8 moles you simply multiply that by the Molar mass and you get the overall mass of the compound. 8(100.0869) = 800.6952 and thats the answer!