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After doing Ka calculations, you may wish you had an aspirin. Aspirin is a weak acid with Ka=3.27 x 10^-4 for the reaction. HC9H7O4(aq) + H2O(l) image from custom entry toolH3O(aq) + C9H7O4(aq) Two aspirin tablets, each containing .325 g aspirin(along with a nonreactive "binder" to hold the tablet together), are dissolved in 200.0 mL of water. Calculate the pH of the solution.
what volumes of h2g and o2g at stp are produced from the electrolysis of water by a current of 3.00 a in 10.0
Calculate the molarity and mole fraction of a 1.43 m solution of acetone (CH3COCH3) dissolved in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.)
Calculate the pH after 0.15 mol of NaOH is added to 1.00 L of 0.60 M HF and 1.01 M KF.
A gas is heated from 14 degrees celsius to 121 degrees celsius and the volume increased from 15.0 liters to 41.4 liters. If the original pressure is 1 atm, what would the final pressure be?
The dehydration of trans-2-methylcyclopentanol with H2SO4 will give what major product? a) cyclopentene b) 1-methylcyclopentene c) 2-methylcyclopentene d) 3-methylcyclopentene
Give a balanced chemical equation for when liquid octane (C8H18) is combusted in oxygen gas to yield carbon dioxide gas and water vapor?
Decide how many of the molecules below can also be both cis and trans ring fused by building models
What is the pH at the equivalence point of the titration and at the half equivalence point
Hypothesize as to the type of electrolyte the following solutions would be. Justify you answer from a chemical standpoint.
beginning with 150.0 ml of 0.175 m ammonia determine the solutions ph after each of the following stepsa before any
When benzoic acid is partitioned between diethyl ether and queous sodium hydroxide solution and the aqueous layer is separated, acidification of the aqueous solution yields a precipitate.
Honda procduces a hybird electric car called the honda insight has a gas powered engine and a electric motor and a EPA of 70 mile gallon highway. WHat is the inside ratings of kilometers
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