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Write the formula of the complex ion formed between a.) the ligand, CL-, and the copper (II) ion with a coordination number of four. b.) the ligand, NH3, and the nickel (II) ion with a coordination number of six. c.) the ligand, ethylenediamine (abbreviated "en"), and the chromium (III) ion with a coordination number of six.
suppose a buffer solution is made from formic and hcho2 and sodium formate nacho2. what is the net ionic equation for
When the reaction is complete, what is the concentration ratio of conjugate base to acid? How many moles of strong base were initially added
Write the structure for the organic reagents and products, name the products and indicate stereochemistry when appropriate
Calculate the pH of a solution that results from mixing 19.5 mL of 0.145 M HCN(aq) with 22.1 mL of 0.108 M NaCN. The Ka value for HCN is 4.9 x 10-10.
Calculate the concentration of OH- ion remaining in solution. Calculate the concentration of Sr+ ion remaining in solution. Calculate the concentration of NO3- ion remaining in solution.
Suppose we start with 0.0530 mol of N2O5 in a volume of 5.2 L. How many minutes will it take for the quantity of N2O5 to drop to 0.0253 mol?
Calculate the volume of 1M solution of HCl needed for 1 unit shift of the pH of thhe following solutions:
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
Calculate the number of moles of hydrogen gas generated using stoichiometry. There are 3.75x 10^-4 moles of Mg. 2HCl+ Mg -->MgCl2+ H2
When limestone (which is principally CaCO3) is heated, carbon dioxide and quicklime (CaO) are produced by the reaction CaCO3(s)?
dissolved in enough water to make 250.0 mL of solution. Write the hydrolyis reaction for the ion that controls the pH, and calculate the pH
The molar solubility of magnesium carbonate is 1.8 ? 10-4 mol/L. What is Ksp for this compound
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