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A 1.291-g sample of a solid, weak, monoprotic acid is used to make100.0 mL of solution. 60.0 mL of this solution was titrated with0.09203-M NaOH. The pH after the addition of 27.01 mL of base was4.15, and the equivalence point was reached with the addition of47.14 mL of base.
a) What is the molar mass of the acid?
b) What is the pKa of the acid?
What is the maximum amount of Cl2 that can be produced by this reaction. Calculate the amount of excess reactant.
disulfur dichloride is produced by reacting chlorine gas with molten sulfur.s8 4 cl2 --gt 4 s2cl2what is the percent
20 millilitres of H2SO4 solution was titrated against 0.2M NaOH and required 12.4 millilitres to reach the end point. calculate the concentration of the H2SO4 solution in (a)Molarity (b) g/l.
Explain what will the observation be in the ammonium hydroxide equilibrium if the base utilized was sodium hydroxide
Consider the chemical reaction 2NH3(g) N2(g) + 3H2(g). The equilibrium is to be established in a 1.0 L container at 1,000 K, where Kc = 4.0 ? 10-2. Initially, 1,220 moles of NH3(g) are present. Estimate the equilibrium concentration of N2(g).
What is the pH of a 0.430 M ammonia solution. What is the percent ionization of ammonia at this concentration
Which change to this reaction system would cause the equilibrium to shift to the right?N2 (g) + 3 H2 (g) ↔ 2 NH3 (g) + heat
The osmotic pressure of blood plasma is 28 mm Hg at body temperature at body temperature, 303 K. The quantity of plasma proteins present has been measured to be about 60 g/L.
The radiation emitted in the transition from n=3 to n=2 in a neutral hydrogen atom has a wavelength of 657 nm. What would be the wavelength of radiation absorbed in the transition from n=1 to n=3?
You will start with 500 mg of one of isoamyl acloho to make isoamyl acetate. While the alcohols are liquids, we will measure them by mass directly on the balance, not by volume (i.e. the density of the alcohol will not be used; pretend the alcohol..
The PH of a solution of a solution is 8 , what are the hydrogen - and hydroxide ion concentration
The temperature inside my refrigerator is about 40 Celsius. If I place a balloon in my fridge that initially has a temperature of 220 C and a volume of 0.59 liters, what will be the volume of the balloon when it is fully cooled by my refrigerator?
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