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Problem- 500.0 mL of 0.170 M NaOH is added to 555 mL of 0.250 M weak acid (Ka = 5.86 Ã- 10-5).
1) What is the pH of the resulting buffer?
HA(aq) + OH-(aq) ---> H2O(l) + A-(aq)
Solve the above problem and provide steps with explanation
Many drugs that arenatural Bronsted bases are put into aqueous solution as their much more soluble salts with strong acids. The powerful painkiller morphine, for example, is very slightly soluble in water, but morphine nitrate is quite soluble in ..
Problem- The corona of the sun emits a spectral line at about 677 m due to the presence of an ionized 57Fe atom (molar mass of 0.0569 kg mol^-1). If the line has a width of 0.053 nm, what is the temperature of the corona.
Calculate the percent yield for a student who completed experiment 27A and collected the following data. Give your answer to two decimal places.
silver iodide in grams will dissolve in a solution that is a 2.0 x 10^-4 M silver nitrate when the system reaches equilibrium
At equilibrium 4.51e-02 mol of H2 is found in the reaction mixture. Calculate the equilibrium pressures of all gases in the reaction vessel and the value of KP for the reaction. Pick the correct statement from the multiple choices. Use the value R..
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.1 L of 0.20 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.82
thedeltah and deltas for the the reaction catalyzed by argininekinase were determined to be -8.2 kjmol and 2.2
The empirical formula of a solid is AB2 and it dissolves to form the cation A2+ and the monoanion B-.Solid AB2 is added to water and allowed to reach equilibrium.
If 122 g of Hg2Cl2 is reacted with excess ammonia, what is the expected yield, in moles and grams, of elemental mercury. (show your calculation)
The compound has a molecular mass of 70. D) The compound contains a cyano or alkyne group. E) The compound contains a CO group
What is the estimated quantity of energy released in the combustion of methanol?
Using this information and the Clausius-Clapyron equation (P = const•exp(-?Hvap/RT)), calculate the vapor pressure of 3 nm droplets of mercury.
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