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13.Calculate to five significant figures the formula mass of AL(CO3)3. A. 185.99 g/mol B. 159.01 g/mol c. 233.99 g/mol D. 209.97 g/mol Element o Mass

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13.Calculate to five significant figures the formula mass of AL(CO3)3. A. 185.99 g/mol B. 159.01 g/mol c. 233.99 g/mol D. 209.97 g/mol Element o Mass (g) 26.982 12.011 15.999 D Question 6 1 pts 14. What is that atomic symbol for an atom with 19 protons, 18 electrons, and 20 neutrons? A. ''ca B. ** C. " D. " B OD O TT

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