Calculate the fractional charge on ASP at pH 3 using the following pKa values (1. 9.90, 3.90). Write the answer to 3 significant digits.
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- Propanamide and methyl acetate have about the same molar mass, both are quite soluble in water, and yet the boiling point of propanamide is 486 K, whereas that of methyl acetate is 330 K. Explain.Consider the following acids and their ionization constant, determine which conjugate base is HCOOH Ka = 1.7 x 10-4 (b) HCN Ka = 4.9 x 10-10Balance the following equation, and tell how many moles of nickel will reactwith 9.81 mol of hydrochloric acid.
- What is the pH of a 0.0001 M solution of hydrochloric acid (HCl)?What is the pH of a solution of 4.1 x 10-8 M NaOH in otherwise pure water?Ethylene glycol, the main ingredient in antifreeze, contains 38.7% carbon, 9.7% hydrogen and 51.6 % oxygen. Calculate the empirical and molecular formulas for ethylene glycol. Given the molar mass is approximately 60 g/mol. A) Empirical formula: B)Molecular formula: Explain how you obtained the Molecular formula (b)?
- An IV of 650cc of 5% dextrose contains how many grams of 5% dextrose?For an acid HA, the concentrations of HA and A are 0.075 and 0.025, respectively, at pH 6.0. What is the p K a value for HA?Glucose-1-phosphate has a ΔG°′ value of −20.9 kJ/mol, whereas that for glucose-6-phosphate is −12.5 kJ/mol. After reviewing the molecular structures of these compounds, explain why there is such a difference in these values.
