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Determine the pH of a 0.432 M sodium acetate (NaC2H302) solutions at 25C. The Ka for HC2H3O2 is 1.8 x 10^-5.
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
The reactant concentration in a zero-order reaction was 9.00×10-2M after 175 s and 4.00×10-2M after 325 s. What is the rate constant for this reaction?
C6H5OH(s) + 7O2(g) --> 6CO2(g) + 3H2O(g) A 2.000 gram sample of pure phenol, C6H5OH(s), is completely burned according to the equation above.
If 150 g of carbon reacts with 250 g Cl2 with an 85% yield, what is the mass of CCl4 produced
A buffer solution is prepared by dissolving 1.50g each of benzioc acid C6H5CO2H and sodium benzoate NaC6H5CO2 in 150.0mL of solution.
30.0 mL of 0.100-M formic acid (Ka = 1.80×10-4) is titrated with 0.100-M NaOH. What is the initial pH of the formic acid solution? What is the pH of the solution after 12.0 mL NaOH has been added?
Elemental exonium (not a real element) consists of two major isotopes Abundance Mass 59% 94 amu 41% 112 amu What is the atomic weight for exonium? Answer in units of amu
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
If 10.0mL of acetic acid, CH3COOH, is diluted with water to a total volume of 200.0mL, what is the percent by volume of acetic acid in the solution.
Assume the reaction between phosphorus and chlorine gas to produce phosphorus pentachloride goes as far as possible to give the product
A 1.348 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution.
A 500-g sample of Al2(SO4)3 is reacted with 450 g of Ca(OH)2. A total of 596 g of CaSO4 is produced. What is the limiting reagent in this reaction, and how many moles of excess reagent are unreacted?
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