I need help with question 15 part b. I don't understand how to find values of c and a.

Q: What is the molality(m) of 2.1 g NaCl mixed with 189.4 g H2O  MM(naCl)=58.4 g/mol MM(H2O)- 18…

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Q: Butanol is 64.81% carbon, 21.59% oxygen, and 13.60% hydrogen by mass. What is the molecular formula…

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Q: 5. Briefly explain why the following equation is not properly balanced. 2 Sb₂S3 + 12 HCl → 4 SbCl3 +…

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Q: Draw the Fisher projection of the meso form of 2-3-dibromobutane. Construct a model of this meso…

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Q: Which of the following Fischer projections corresponds to the shown bond-line drawing (Hint:…

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Q: Consider the following reaction for the decomposition of H2O2 in dilute sodium hydroxide at a…

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Q: Draw the stereoisomers of 4-chloro-2-methylhexane. Use a dash or wedge bond to indicate…

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Q: What volume of 0.118 M ammonium sulfate contains 7.25 g ammonium sulfate?

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Q: 4) To determine the equilibrium just combine the initial and the change. H2(g) + IM -X IM-X Initial…

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Q: Draw the organic products formed in each of the following reactions. (i). (ii) (iii) (iv) (v)…

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Q: 2PbS (s) + 302(g) the expression for Kp. Y [H₂S] = 1M, [CH4] =1 2H₂S (g) + CH4(8) The expression for…

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Q: For the following compounds determine the percent composition 9) Carbon dioxide 10) potassium…

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Q: The molar solubility (symbolized as "s") of CaF2 in water in terms of its Ksp is: SE (Ksp)1/2 S=…

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Q: 20. Show your understanding of the relationship between Keq and Q. If the reaction in #18, above, is…

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Q: O XCl₂(aq) + AgNO3(aq) A A OX(NO3)2(aq) + AgCl(s)

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Q: Data Table 1. Increasing Hydrogen-1 # Hydrogen-1 # Hydrogen-2 atoms (purple) atoms (green) 1 10 10…

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Q: Consider the reaction.…

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Q: 18. After balancing the reaction below, the sum of the coefficients is Al(OH)3 + HCI AICI 3 + H₂O…

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Q: Each statement applies to either ionic bonds, covalent bonds, or both. Choose the correct term. This…

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Q: (a). Determine the pH of a solution prepared by dissolving 1.00 g of glycine amide hydrochloride (FW…

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