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A compound has a molar mass of 171.6g/mol and contains 55.94% oxygen atoms by mass. How many oxygen atoms are in each molecule of this compound?
a student adds 41.9 mL of water to 25.8 mL of a 0.877 M perchloric acid solution. What is the concentration of the diluted solution
A titration is carried out to determine the concentration of the acid in an old bottle of aqueous HCl whose label has become unreadable.What is the HCl concentration if 32.1mL of 0.250M NaOH is required to titrate a 30.0mL sample of the acid
Classify each of the following solutions as acidic, basic, or neutral. Explain how you reached this conclusion.
1-methylcyclohexene and 3-metheylcyclohexene were mentioned as possible products were mentioned as possible products of the dehydration of 2-methylcyclohexanol. Why wasn't 2-methylcyclohexene mentioned as a possible product
a 25.0 gram piece of ice at 0.0 degrees celsius is added to a sample of water at 8.0 degrees celsius. all of the ice
Measuring concentration of acetic acid and other organic acids in an aqueous solution, What analytical method would be employed to measure and determine the concentration of each acid in solution. Would this be a GC/MS analysis
Calculate the overall relative standard deviation, the relative standard deviation of the method, and the relative standard deviation of the sampling process.
calculate the concentration in molarity of a NaOH solution if 25.0 ml of the solution are needed to neutralize 17.4 ml of a .312 M HCl solution.
The elements silver, molybdenum, and sulfur combine to form Ag2MoS4. What is the maximum mass of Ag2MoS4 that can be obtained if 8.63 g of silver
A solution of 0.08M ni-EDTA was buffered to pH 10 with .1M ethylenediamine. determine the fractional composition of uncomplexed metal ion.
what is the value of delta G at 25 C for this reaction
How many mL of 12.0 M HCl should be added to 500 mL of 0.100 M Na2SO3 (Kb2 = 8.13 x 10-13 and Kb1 =1.5 x 10-7) to produce a buffer at pH of 7.00?
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