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A 25.0 mL sample of a 0.1900 M solution of aqueous trimethylamine is titrated with a 0.2375 M solution of HCl. Calculate the pH of the solution after 10.0 mL of acid have been added; pKb of (CH3)3N = 4.19 at 25°C.
If a sample of sodium is dropped into a container of water the reaction is:
Indicate the pH at (a) the beginning of the titration (0.0 mL titrant) and after the addition of (b) 12.5 mL, (c) 24.0 mL, (d) 24.9 mL, (e) 25.0 mL, (f) 25.1 mL, and (g) 30.0 mL of the titrant. Label the half-neutralization point and the equivalen..
Calculate the osmotic pressure (in torr) of 6.00 L of an aqueous 0.896 M solution at 30.0 deg C, if the solute concerned is totally ionized into three ions (e.g., it could be Na2SO4 or MgCl2)
At what wavenumber would you expect to see an absorbance in the IR if your sample contained water as an impurity?
A chemist has 80.0 kg of a mixture that is 10.0% potassium nitrate by mass. How much additional potassium nitrate must be added to produce a final mixture that has a potassium nitrate content of 25.0%?
To a solution that is known to contain come of the soluble ions from group 1 and no other cations or inteferring substances, 12 drops of 6M hydrochloric acid is added and no precipoiate forms.To clear solution is evaporated to half its volume and ..
Question- As the reaction represented above proceeds to the right, the oxidation number of chlorine goes from what to what
The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray
Calculate delta S0 for the following processes: a.) Heating 1 mol of benzene(liquid) from 298K to 353 K at 1 bar pressure, neglecting any T- dependence of Cp.
Write a balanced chemical equation for the reaction between silver nitrate and aluminum. What type of reaction is this?
Explain why a solution of one mole of potassiium carbonate in one litter of water has higher boiling point than a solution of one mole of sodium bicarbonate
Explain what are the concentrations of acetic acid as well as acetate ion in 0.20M acetate buffer, pH 4.90. The pKa of acetate is 4.76.
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