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Given a buret filled with 0.13 M acetic acid and a second buret filled with 0.17 M sodium acetate, how many milliliters of each solution should be mixed together to produce 23.5 mL of a solution with a pH of 4.82?
If ammonia was added to a saturated solution of copper(II) iodate in a equilibrium with its precipitate, would the copper ion concentration increase, decrease, or stay the same. Why
Calculate the density and radius of the ball bearing (volume of a sphere of radius r is 4/3pi r^3).
A sample of neon has a volume of 575 mL when it is at a pressure of 751 mmHg. What will be the volume when the pressure is increased to 1262 mmHg?
The density of ethanol is 0.7893 g/mL. Calculate the maximum work that could be obtained by burning 1.000 gallon of liquid ethanol
explain how the ligands of F-, NH3 and CN- bonded to CO3+ can result in a green, yellow-orange, and pale yellow color for these compounds, respectively
a piece of galena has a volume of 3.9 cm3. if the density of galena is 7.5 gcm3 what is the mass in kg of that piece of
How many grams of LiCO3 do you need to weigh out to dissolve in the 5.0 liters? If you had started with a 5000. ppm solution of Li2CO3 solution, how many mL of it would you need to pipet into the 5.0 liter to achieve the same 425 ppb Li 1 solution..
How many grams sodium chloride (mol wt = 58.4g/mole) are needed to make 550 mL of a 1.90 M aqueous solution of sodium chloride
Compare trials 1 and 2 to determine the order of reaction with respect to iodide ions. How did the concentration of iodide ions change in these two trials, and how did the rate change accordingly? What is the reaction order for iodide?
A 4.40 g nugget of pure gold absorbed 289 J of heat. The initial temperature was 21.0°C. What was the final temperature?
Consider the non-aqueous cell reaction 2Na(l) + FeCl2(s) 2NaCl(s) + Fe(s) for which E°cell = 2.35 V at 200°C. ?G° at this temperature is: a. 453 kJ. b. -453 kJ. c. 907 kJ. d. -907 kJ. e. None of these choices is correct.
hydrochloric acid reacts with magnesium to produce hydrogen gas and magnesium chloride. reacting magnesium with excess
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