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Commercially available concentrated sulfuric acid is 18M. calculate the volume of this acid that is required to prepare 2.50L of 0.155M solution.
If the total volume of the jewelry is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold (by mass) in the jewelry.
Calculate the volume of 1M solution of HCL needed for 1 unit shift of the pH of the following solutions: A. 100 mL of 0.01 M solution weak acid (pKa = 6) and 0.05 M of its sodium salt
An organic material is extracted from water. The separatory funnel containins 10 mL of ether and 20 mL of water. Considering that the K (partition coefficient) value is 3.2,
Consider a solution formed by mixing 61.0 mL of 0.100 M H2SO4, 26.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH.
A new catalyst is being developed with the hope of generating ethylene by the oxidative dehydrogenation of ethane, reaction (1). Two side reactions accompany the main reaction;
Write balanced chemical equations and Ksp expressions for each of the salts as part of your solution.
If 290. mL of 0.130 M KOH are mixed with 200. mL of 0.430 M KOH, what is the molarity of the final solution?
You are the chief environmental officer of an industrial operation of your choosing. Describe your operation, its different components or stages, the materials used and the type of wastes generated.
Calculate the number of moles of sodium hydroxide used in the titration. b. How many equivalents of unknown acid were titrated? c. Determine the equivalent mass of the unknown acid
A container is filled with C2H6O until its concentration reaches 1.375 mol. How many minutes will it take for 71.5 percent of the C2H6O break down?
what particle or type of radiation needs to be included to balance the equation? 234Th ? ? + beta particle? Please explain why you chose your particular answer
when 35.6 L of ammonia and 40.5 L of oxygen gas at STP burn, nitrogen monoxide and water is produced. After the products return to STP how many grams of nitrogen monoxide is present.
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