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Calculate the pH of a solution containing 25.00 mL of 0.12 M formic acid (Ka = 1.7 x 10^-4) to which the following amounts of 0.10 M NaOH have been added:
a. 0.00mLb 15.0 mLc. 25.0mLd. 29.9mLe.30.0mLf. 30.1mLg. 31.0mL
The solvolysis product of 1-bromo-2,2-dimethylbutane with ethanol initially forms the expected carbocation but does not give any of the expected 1-ethoxy-2,2-dimethylbutane. Draw the rearranged cation that will eventually lead to the product.
How many moles of KHP were weighed out? How many moles of NaOH were required to neutralize the KHP that was weighed out?
Explain how do you compute the minimum volume of H2O(water) required to dissolve NaCl( sodium chloride) of 500 grams in H2O( water) at the temperature of 100 degree celsisu?
A piston has an external pressure of 12.0 \rm atm. How much work has been done if the cylinder goes from a volume of 0.120 liters to 0.500 liters.
A stock solution is prepared by adding 24 mL of 0.4 M Na3PO4 to enough water to make 79 mL. What is the PO43- concentration of 25 mL of the stock solution?
The equilibrium constant, Kp is 0.15 at 298 k for the reaction N2O4(g) 2 NO2(g) If the total pressure of the gas mixture at equilibrium
A student was using the concentrations of pipet calibration data listed in the Background Information for the determination of ka or propionic acid. Explain the problem the student encountered when preparing the following equilibrium mixture.
Calculate the vapor pressure at 20?C of a solution containing 3.641 g of naphthalene in 22.7 g of chloroform (CHCl3). Naphthalene (C10H8) has a low vapor pressure and may be assumed to be nonvolatile. The vapor pressure of chloroform at 20?C is 15..
If 482.4 mL of 16.5 M H2SO4 solution is diluted to 5.6 L, what is the new concentration of H+ in the diluted solution?
A 270- flask contains pure helium at a pressure of 755 . A second flask with a volume of 485 contains pure argon at a pressure of 727 torr.
What would be the product if dimethyl maleate (cis-MeCCH=CHCO2Me) was heated in the presence of 3-sulfolene?
Steam at 100C is used to heat water. What is the minimum mass of steam required to melt 100g of ice at 0C and heat the resulting liquid to 100C?
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