You are asked to identify compound x (a white, crystalline solid), which was extracted from a plant seized by customs inspectors. an elemental analysis of x shows that the mass percentage composition of the compound is 26.86% c and 2.239% h, with the remainder being oxygen. a mass spectrum of x yields a molar mass of 90.0 g/mol. write the molecular formula of x.
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Chemistry, 22.06.2019 14:10
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
Chemistry, 22.06.2019 14:30
How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.
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Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
You are asked to identify compound x (a white, crystalline solid), which was extracted from a plant...
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