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In a titration of 29.01 mLs of 0.211 M HCOOH (formic acid, Ka = 1.8x10-4) with 0.255 M KOH, how many mLs of titrant will be required to reach the equivalence point?
Describe and explain the possible effect on your results of the following experimental errors or variations. (a) You stopped the steam distillation after collecting 3 mL of distillate
A 27.0-gram sample of an unknown hydrocarbon was burned in excess oxygen to form 88.0 grams of carbon dioxide and 27.0 grams of water. What is a possible molecular formula of the hydrocarbon?
According to the following reaction, what volume of 0.244 M KCl solution is required to react exactly with 50.0mL of 0.210 M Pb(NO3)2 solution?
Which of the following tests could differentiate between pentanal and 3-pentanone, also what would occur.
You are given an acid with an equivalent weight of 62.5 g. What is the average molecular weight if the acid is diprotic? a) How many grams of your acid are needed to make 150mL of a .750 N (normal) solution?
Are the following statements about a 1.0 M solution of a strong acid, HA, true or false? [A-] › [H+]: True/False
Acid-catalyzed dehydration of cyclobutylmethanol proceeds via an E1 mechanism and gives two alkenes
What is the lead concentration of a saturated solution of lead(II) sulfate containing 0.010 molar Na2SO4
What mass of sucrose should be combined with 467 g of water to make a solution with an osmotic pressure of 8.30 atm at 300 K? (Assume the density of the solution to be equal to the density of the solvent.)
If you have .200 mL of methyl salicyate (density=1.184 g/mL)(molar mass=152.15 g/mol) how many moles do you have?
The best design for rockets is one in which both fuel materials run out at the same time to minimize excess mass. If the total mass of both components in a decaborane/oxygen rocket must be 1.951E+6g, what mass of liquid oxygen should be used
What was the percentage by mass of Mg(OH)2 in the original sample? [Hint: When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride salt, water and CO2(g). Assume that all of the CO2(g) leaves the solution without reacting.]
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