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A solution of acetic acid is prepared in water by adding 11.1 g of sodium acetate to a volumetric flask and bringing the volume to 1.0 L with water. The final pH is measured to be 5.25. What are the concentrations of acetate and acetic acid in solution?
A typical frostless refrigerator uses 655 kWh of energy per year in the form of electricity. Suppose that all of this electricity is generated at a power plant that burns coal containing 3.0% sulfur by mass
A 160.0 L helium tank contains pure helium at a pressure of 1870 psi and a temperature of 298 K. How many 3.5 L helium balloons can be filled from the tank
What is the pH of a solution with a hydronium ion concentration of 1.0 x 10-3 mole per liter
Calculate the molar solubility of Ca(IO3)2 in each solution below. The Ksp of calcium iodate is 7.1x10^-7. a.) 0.065 M Ca(NO3)2 b.) 0.065 M NaIO3
Suppose that a 4.0 L sample of gas at 1.0 atm is heated from 44°C to 53°C, during this process the volume doubles. What will the final pressure of the gas sample be
1. as we know a homes used hot water tank and every hot water tank is an anodecalled a dip tube with the time this
When 5.156 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 15.09 grams of CO2 and 9.269 grams of H2O were produced.
A total of 2.00mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 188g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7 degrees Celsius .
Creatine is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly realiable indicator of kidney function.
why differential pulse polarography is the most sensitive technique among the different modern types of polarography
There is a peak in the middle of the graph with 0.40 for absorbance and 525 for wavelength. What is the wavelength of maximum absorbance?
explain why the swirling of a solution and its drying agent hastens the drying
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