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For the titration of 40.0 mL of 0.250 M acetic acid with 0.200 M sodium hydroxide, determine the pH when:(a) 40.0 mL of base has been added(b) 50.0 mL of base has been added(c) 60.0 mL of base has been added
Important information about balanced chemical equation, 1. If 1 mole of Al4C3 has a mass of 144g and carbon has a mass of 12g, what is the atomic mass of aluminum?
Predict just the first step that might occur between the polyphenol shown below and Na2CO3
How many protons, and how many neutrons are present in the nucleus of each isotope? What is the natural abundance of each isotope, if the average atomic mass of gallium is 69.72 u?
n basic solution it gives ClO3- and ClO2- ions. 2ClO2(aq) + 2OH-(aq) ? ClO3-(aq) + ClO2- (aq) + H2O. To obtain the rate law for this reaction, the following experiments were run and, for each, the initial rate of the reaction of ClO2
A chemist wants to make 5.5L of a 0.280M CaCl2 solution. What mass of CaCl2 (in g ) should the chemist use?
what the final orbital should be ? would you expect Rh to be paramagnetic or diamagnetic? Explain your answer to each question? please explain in details so its easy for me to understand this.
For the following reactions, identify the type (combination, combustion, decomposition, displacement, methathesis [double-displacement)] neutralization), balance the reaction, and for the redox reactions identify the oxidizing agent and reducing a..
A gas originally occupies 20L at 24.7 psia and 5 C. What would the pressure be if the volume changed to 4.77ft3 and the temperature was 82 F? Give the answer in atmospheres.
Synthesis of Dibenzalacetone from Bezaldehyde and Acetone, Reacting Benzaldehyde with acetone to yield Dibenzalacetone.
The concentration of Fe2+ in a sample of water is 350 mmol/L At what pH will 99% of the Fe2+ be precipitated as Fe(OH)2? Ksp = 7.9 x 10-15
Qualitatively, describe how an acid-base indicator works. Why do we want to use a minimum amount of indicator in a titration? Select all that apply.
determining the difference between vinylic & allylic hydrogens in a Cyclohexene, how many of each, what determines it?
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