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If 25.21 ml of NaOH solution is required to react completely with 0.550 g KHP, what is the molarity of the NaOH solution?
Which of the following is a correct neutralization reaction?
Methane and hydrogen sulfide form when 36g H2 reacts with carbon disulfide. calculate the percent yield if the actual yield of CH4 is 69.8 g
What is the buffer-component concentration ratio, [NO2- ]/[HNO2], of a buffer that has a pH of 2.90 ? Ka of HNO2 = 7.1 x 10-4.
The use of phenols such as tert-butylcatechol as free-radical scavengers is based on the fact that phenolic hydrogens are readily abstracted by radicals
what mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepar a 0.0500 molal solution of ethanol
Draw electron-flow arrows on the structure on the left to indicate how the electrons reorganize to give the structure. Please Draw all steps and add charges where needed.
How many milligrams of silicon tetraflouride, a gas, at room temperature, would fill the same volume as that occupied by 375 grams of carbon monoxide at 190*C and 500 Torr
the gas with an initial volume of 24.0 l at a pressure of 565 mmhg is compressed until the volume is 16.0 l. what is
The concentrations of each were then determined as follows: [Fe^3+]= 6.8 x 10 ^-4 M, [SCN ^-]= 3.3 x 10 ^-4 M, [FeSCN ^2+]= 3.0 X 10 ^-5 M. Determine the equilibrium constant for this reaction.
Match the detector or detectors that can be used in gas chromatography for the detection of the following list of analytes. (More than one detector may be appropriate for a given analyte, and a given detector may be appropriate for more than one g..
Exactly 150mL of 0.13M HNO2 is titrated with 100mL of 0.13 M NaOH. What is the pH at the endpoint.
a particular first-order reaction has a rate constant of 1.35 x102 s-1 at 25 degrees celsius. what is the magnitude of
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