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Compound containing C & H is combusted. From a 20.0 gram of compound 67.5 g of CO2 & 13.8 g of H2O are obtained. What is empirical formula? A frog's appendicular skeleton has how many bones? Is it spring or summer california 2018? If 5 cards are drawn from a deck, find the probability that 2 will be hearts.? Can someone help me solve this math problem. find the arc of AB?