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What is the empirical formula for salt

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1) Analysis of a salt results in the following composition: 3.47 g sodium; 2.12 g nitrogen and 7.27 of oxygen.  What is the empirical formula for this salt?

2) A barium salt is found to contain 21.93 g barium, 5.12 g of sulfur, and 10.24 g of oxygen.  What is the simplest formula of this compound?

3) An ore containing zinc, carbon and oxygen and weighing485.35 g is analyzed and found to contain 46.59 g of carbon and 186.37 g of oxygen.  What is the simplest formula for this compound?

Reference no: EM131344507

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