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calculate the volume of 6M NaOH required to react completeley with amount 2.00mmol of methyl salicylate. how much of the 2.5 ml of 6M NaOH was in excess of the theoretical amount? what volume of 3M H2SO4 is needed to neutralize all of the disodium salicylate and the excess NaOH present after the initial reaction? how much sulfuric acid was in excess?
A saturated solution of Pb(IO3)2 in pure water has a lead ion concentration of 5.0 x 10-5 Molar. What is the Ksp value of Pb(IO3)2?
A student added more KSCN solution that instructed when making standard solution. assuming no other errors were made in the experiment
If 36 L of Hydrogen at 44 C and 94 kPa react with sufficient oxygen to produce water, what mass of water can be produced?
Calculate the amount of acid that would be left in the water solution after four 20-mL extractions with ether. Do the same calculation, using one 80-mL extraction with ether, to determine which method is more efficient.
solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15-cm cell at a wavelength of 525 nm. Calculate the absorbance of this solution.
A 25.0 mL sample of river water was titrated with 0.0010 M Na2Cr2O7 and required 8.3 mL to reach the end-point. What is the chemical oxygen demand, in milligrams of O2 per liter, of the sample?
What is the total pressure (Ptot) in the container in torr? What is the partial pressure of argon (Par) in the container in torr?
The true rate constant for a reaction is just that, a constant( at the constant temperature). Would your calculated value for k be higher than, lower than, or equal to the real value of k if 5 wt% bleach was unknowingly substituted with 8wt% bleac..
The amount (N = grams) of radioactive material present in a sample as a function of time is given by the following equation, where No is the amount present at t = 0. : N (t) = No e^-kt At Great Basin College, we have a specimen of a highly radioac..
A compound A(C6H6) undergoes catalytic hydrogenation over lindlar catalyst to give a compound B, which in turn undergoes ozonolysis followed by workup with aqueous H2O2 to yield succinic acid and two equivalents of formic acid.
Determine how many grams of Hydrogen are required to form 14.01grams of Ammonia and calculate how many grams of ammonia could be formed
15.0 moles of gas are in a 8.00 L tank at 21.0C. Calculate the difference in pressure between methane and an ideal gas under these conditions
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