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Check all of the samples that will have ion dipole forces. You may want to review your notes in chapter 4 to make sure you understand the difference between strong electrolytes and non-electrolytes. HCl (aq) NH4Cl (aq) H2O (l) CO2 (g) KCl (aq) CH3OH (aq) CH3OH (l)
Using a sample of ferrous ammonium sulfate hexahydrate of 0.5585 grams needs KMnO 4 solution of 21.45 ml to reach a pink endpoint then calculate what will be tha molarity of the KMnO 4 solution?
Pre-Lab Assignment- Understanding Activity 3 in this manual and significant figures and uncertainty in measurements in general will help you answer the last two questions
If Prozac was treated with bromine and was brominated once what would be the most likely produc
Calculate the ph change when 25 ml of 3.0 M HCl are added to 500 ml of a solution that is 0.10 M CH3COO
Iron pyrite, commonly known as "fool's gold," is 46.5% Fe and 53.5% S. A crystal of iron pyrite contains 4.24g of iron. A) Calculate the mass in grams of the crystal. B) How many moles of iron is in the crystal
The freezing point of an aqueous solution containing 15 g of a nonelectrolyte in 150 mL water is -5.4°C. What is the molecular weight of the compound? Kf = 1.86°C/m for water.
Use heat of formation data to determine H for the combustion of hydrogen sulfide according to the following reaction: 2 H2S(g) + 3 O2(g) ? 2 SO2(g) + 2 H2O(?) ?H = ? ?Hfo for compounds:
Methane and hydrogen sulfide form when 36g H2 reacts with carbon disulfide. calculate the percent yield if the actual yield of CH4 is 69.8 g
What multiple of Ka must the initial concentration of a weak acid exceed, for the initial concentration and the equilibrium concentration to be within 9.86 percent of each other
What is the pH of the solution formed by mixing 45.0 mL of 0.183 M potassium hydroxide and 65.0 mL of 0.145 M hydrochloric acid?
How many molecules of acetylene (HCCH) react with 146 molecules of oxygen to produce carbon dioxide and water?
how much dry solute would you take to prepare each of the following soluions from the dry solute and the solvent? Part A. 124ml of 0.555M KCl. Part B 10g of .530m KCl. Part C 107g of 5.4% KCl solution by mass.
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