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According to the equation, how many grams of sodium acetate will you need to add to 125 mL of 0.100 M acetic acid to make a pH=4.74 buffer?
What is the actual pH of the resulting buffer when you add that many grams of sodium acetate to 125 mL of 0.100 M acetic acid?
If I want to make the buffer by adding 0.100 M NaOH instead of sodium acetate, how many milliliters of NaOH are needed to reach pH=4.74?
If I add enough water to the above buffer to make the total volume 1.00 L, what's the new pH?
How many milliliters of 0.25 M HCl will be needed to change the pH of the dilute buffer by 1 pH unit?
What is the minimum volume of 4.5M {\rm HCl} required to completely dissolve 16.0g of magnesium metal
At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)
A perfect sphere of aluminum metal with a diameter of 4.56x10^-2 m reacts with 3.80L of 5.25M hydrochloric acid. the products are an aluminum chloride solution and hydrogen gas.
What must the concentration be, of each member of the buffering acid/base pair, if the reaction is expected to release 0.1 millimoles of H+?
compute the enthalpy change, (Delta H), for this reaction per mole of A. suppose that the specific heat =[4.18J/(g*Degrees C) and density=1.00(g/mL)?
For the given reaction, how many moles of ammonia will result from 3.0 moles of nitrogen and sufficient hydrogen
What is delta G for this reaction at 298 K when the partial pressures are PC2H6 0.15 atm, PH2 0.15 atm, and PCH4 0.75, What is the delta G in kJ/mol?
Write a balanced chemical equation for the neutralization reaction upon which this titration is based, and indicate clearly which atom is being protonated. Then, calculate the equilibrium constant for the neutralization reaction.
Discuss the differences observed in the IR and NMR spectra of 3-nitrophthal-hydrazide and luminol that are consistent with reduction
What is maximum light wavelength (nm) to be absorbed for creating electron-hole pairs in semiconducting material cadmium telluride (CdTe)? CdTe has a band gap of 1.44 eV.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
what is an element with seven electrons in the outer orbit called: metal, halogen, metalloid, noble gas, none of the above
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