Calculate the ph of stock sodium acetate solution
Calculate the pH of stock sodium acetate solution, given the concentration is 0.9727 mol/L.
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What concentration of NH3 is needed to lower the Cu2+(aq) to 6.4 x 10-14 M in a solution that was originally 1.43 x 10-4 M in Cu2+(aq)? Assume that there is no volume change as NH3 is bubbled through the solution. (Kf for [Cu(NH3)42+] = 5 x 1012)
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A 4.98 g sample of aniline (C6H5NH2, molar mass = 93.13 g/mol) was combusted in a bomb calorimeter with a heat capacity of 4.25 kJ/°C. If the temperature rose from 29.5°C to 69.8°C, determine the value of ΔH°comb for aniline.
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