1. What is the pH of a solution containing 23 grams of sodium acetate dissolved
ID: 786867 • Letter: 1
Question
1. What is the pH of a solution containing 23 grams of sodium acetate dissolved in 1.0 L of 1.0 M HCl? Is this a buffer?
2. What is the pH of 1.0 L of a 0.1 M solution of sodium dihydrogen phosphate (NaH2PO4) after the addition of 0.02 mole of sodium hydroxide? After the addition of 0.02 mole of HCl? (Hint: the pKa
What is the pH of a solution containing 23 grams of sodium acetate dissolved in 1.0 L of 1.0 M HCl? Is this a buffer? What is the pH of 1.0 L of a 0.1 M solution of sodium dihydrogen phosphate (NaH2PO4) after the addition of 0.02 mole of sodium hydroxide? After the addition of 0.02 mole of HCl? (Hint: the pKa's of the triprotic weak aid phosphoric acid are 2.0, 6.7 and 12.5). The DGo' for hydrolysis of ATP is -7.5 kcal/mol, while the DGo' for hydrolysis of glycerol-3-phophate (an ester, see below) is -2.3 kcal/mol. Calculate the DGo' for the following phosphorylation of glycerol to glycerol phosphate by glycerol kinase.Explanation / Answer
http://www.chem.purdue.edu/gchelp/howtosolveit/Equilibrium/Buffers.htm
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