Calculate the molarity and mole fraction of acetone
Calculate the molarity and mole fraction of acetone in a 1.06 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add.
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Calculate ΔG for this reaction under the following conditions (assume an uncertainty of 1 in all quantities, calculate all thermodynamic values from Appendix 4 for all parts of the problem).
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Use the initial volume of acetic acid, the volume of NaOH required to reach the equivalence point and the value of the molarity of NaOH that you obtained when you standardized this solution against KHP in the strong-acid/strong-base experiment to
How many grams of acetylene are produced by adding water to 48.3 g CaC2 ?
WebAssign will check your answer for the correct number of significant figures. 4Your answer was incorrect, but has changed from what was graded.%
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A liquid unknown was found to be soluble in cyclohexane and alcohol; the unknown was found to have a boiling point of 58 C at 670 mm Hg. What is the substance? What could you do to confirm your answer?
A .350 g sample of a biomolecule was dissolved in 15.0 g of chloroform, and the freezing point depression was determined to be .240 degree celcius. Calculate the molar mass of the biomolecule?
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