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In lab, a student weighed out 0.1022 g of succinic acid, dissolved it in 40 mL DI water and added 1 drop of phenolphthalein indicator. She titrated the acid with a NaOH solution whose exact concentration was unknown. A volume of 18.19 mL of NaOH solution was required to reach the endpoint of the titration. What was the concentration of the NaOH solution in units of M (mol/L)?
If the volume of the container is reduced to 15.0 L and the pressure remains at 760 mm Hg total pressure. Calculate the temperature of the gas mixture
A 400ml sample of gas at 10 degrees celsius is warmed to 25 degrees celcius at a constant pressure. Calculate the final volume.
a solid sample containing some Fe+2 ion weighs 1.062g. It requires 24.12mL 0.01562 M KMnO4 to titrate the Fe+2 in the dissolved sample to a pink end point.
As2O3(s) + NO3-(aq) --> H3AsO4(aq) + N2O3(aq) (acidic solution) what is the oxidizing and reducing agent?
Draw the neutral major organic product pentanoic anhydride & 2 equivalents of dimethyl amine [HN(CH3)2] given that one equivalent of amine acts as the nucleophile
What is the pH of a 0.15 M solution of aqueous Acetic Acid. The Ka of acetic acid is equal to 1.7 x 10^-5
Explain why the melting point of 4-bromonitrobenzene is considerably higher than that of the 2-isomer
A solution is prepared by dissolving 11.60 g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0- cm^3 sample of the solution is then treated with excess HNO3 and boiled to remove all the dissolved gas
How much heat (in ) is required to warm 12.0 of ice, initially at -12.0, to steam at 114.0? The heat capacity of ice is 2.09 and that of steam is 2.01 .
A boiler is used to heat steam at a brewery to be used in various applications such as heating water to brew the beer and sanitizing the brewing tanks. 81.0% of the heat produced by the boiler is used to create saturated steam at 18.0 bars (absolu..
Distinguishing the given compounds by Infrared spectroscopy, Cyclohexene and 2-hexyne both have the molecular formula C6H10
Consider a different titrant for this exercise. Suppose Ca(OH)2 were used as the titrant, instead of NaOH. This will make the titrant twice as concentrated in hydroxide ion. The analyte will still be HC2H3O2.
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