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Given a buret filled with .11 M acetic acid and a second buret filled with .15 sodium acetate, how many milliliters of each solution should be mixed together to produce 18.0 mL of a solution with a pH of 4.79?
V CH3CO2H =
V CH3CO2Na =
The gas mixture contains 2.5% sulfur dioxide (SO2) by weight. How many pounds of SO2 are released in one week? (Sig figs matter)
A solution of dimethylamine/dimethylammonium buffer contains 0.246 M (CH3)2NH and 2.09 M (CH3)2NH2Cl. Calculate the pH of the solution. Round your answer to 3 significant digits. Kb= 5.1x10^-4 (CH3)2NH(aq) + H2O(l) = (CH3)2NH2+(aq) + OH-(aq)
I need help describing an experiment where one could measure the value of the extinction coefficient of a solution with a concentration (c mol/L) of chlorophyll in water for a given wavelength.
a student produces 2.73 g of a compound. She calculates the theoretical yield as 3.40 g. What is the percent yield
How much heat is evolved when 265 g of ammonia gas condenses to a liquid at its boiling point
how many days does it take for 16g of palladium-103 to decay to 1.0g? the half life of palladium -103 is 17days
what is the boiling point of a solution containing 2.33 grams of C8H10N4O2 , dissolved in 15 grams of benzene?
Forms more of one enantiomer than another depending on the temperature of the reaction d. Forms more of one enantiomer than another because of steric reasons around the carbonyl
suppose you have 0.001 m solution of a dye with pka of7.2. from the color concentration of protonated form is found to
one mole of silicon si has a mass of 28.086 g and one mole of carbon has a mass of 12.011 g. what is the massof one
a toxicologist studying mustard gas, S(CH2CH2Cl)2, prepares a mixture of 0.675 M SCl2 and 0.973 M C2H4 and allows it to react at room temperature (20.0 c) at equilibrium S(CH2CH2Cl)2 = .350 M. calculate Kp
During a long distance run, increased uptake of fatty acyl COA into muscle mitochondria occurs. which of the following helps to explain this
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