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![Calculate the ionic strength of a solution consisting of 0.30 M NaCl and
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- What is the ionic strength of 0.10 M ZnSO4?The activity coefficient of Ni2+ ion (a Ni2+ =0.6 nm) in a solution that has an ionic strength of 0.055 is: -log Yx =1+3.3ax V Please fill in the space with a numerical value with three digits or decimal places without units12. The following quantities of salts were added to a volume of water to make 1 liter of solution: 1 x 10-2 moles NaCl 2 x 10-2 moles CaCl, 2 x 10-2 moles BaCl, (a) What is the ionic strength of the solution? (b) A small amount of phosphate salt is added to the same solution with negligible change in ionic strength. Given K = 10-7.2 for the reaction H,PO, = H+ + HPO,?- Calculate (H*][HPO,2-1/[H,PO,"), called °K, using the Güntelberg ap- proximation of the DeBye-Hückel law. (c) Calculate the "salting-out" coefficient, k,, for a nonelectrolyte in the same solution if its activity is 10-3 M and its concentration is 9.5 x 10 4 M.
- Calculate the ionic strength of a solution containing 0.2 M NaCl in a 0.2 M Na2CO3. Consider all the ions in this solution in calculating the ionic strength.What is the molar solubility (in mols/L)of silver chloride in 2.00 M NH3(aq) given that Kgp of AGCI = 1.77x10-10 and Kf of Ag(NH3)2* is 1.70×107? Express your answer in decimal notation rounded to three significant figures.The simplest amino acid is glycine, H2NCH2CO2H. The common feature of amino acids is that they contain the functional groups: an amine group, -NH2, and a carboxylic acid group, -CO2H. An amino acid can function as either an acid or a base. For glycine, the acid strength of the carboxyl group is about the same as that of acetic acid, CH3CO2H, and the base strength of the amino group is slightly greater than that of ammonia, NH3. a. Write the Lewis structures of the ions that form when glycine is dissolved in 1 M HCl and in 1 M KOH. b. Write the Lewis structure of glycine when this amino acid is dissolved in water. (Hint: Consider the relative base strengths of the -NH2 and -CO2- groups.)