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Calculate the number of moles of c2h6 (nc2h6) in 1.80×1023 molecules of c2h6.
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How many grams of magnesium metal will react completely with 8.3 liters of 5.5 m hcl? show all of the work needed to solve this problem. mg (s) + 2hcl (aq) → mgcl2 (aq) + h2 (g)
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Calculate the mass of carbon in 97.0 g of sucrose c12h22o11
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What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
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Calculate the number of moles of c2h6 (nc2h6) in 1.80×1023 molecules of c2h6....
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