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Question- A standard solution containing 6.8 multiply.gif 10-8 M iodoacetone and 2.3 multiply.gif 10-7 M p-dichlorobenzene (an internal standard) gave peak areas of 333 and 718, respectively, in a gas chromatogram. A 3.00 mL unknown solution of iodoacetone was treated with 0.100 mL of 1.0 multiply.gif 10-5 M p-dichlorobenzene and the mixture was diluted to 10.00 mL. Gas chromatography gave peak areas of 363 and 260 for iodoacetone and p-dichlorobenzene, respectively. Find the concentration of iodoacetone in the 3.00 mL of original unknown.
Explicate the each step. Explicate the process and each step
Why must all F- solutions be measured and kept in plastic ware rather than glassware. Why do you measure the most dilute solutions first when using ISE. Why do we not use TISAB when determining the selectivity coefficient.
Calculate the amount of heat liberated (in KJ) from 316g of Mercury when it cools from 74.8 celcius to 12.0 celcius.
50 g of aluminum oxide is produced in the reaction of aluminum metal and oxygen gas at STP. How many liters of oxygen gas were reacted?
Diet coke Chemistry, You drink a 500 ml bottle of Diet Coke, which has 0 calories. The Diet Coke was chilled to 7 degrees C before you drank it. Approximately how much heat energy is drawn from your body to warm this 500 ml of Diet Coke up to your..
A graph shows a titration curve. The volume of NaOH at the equivalence point is 25.8 mL. The pH at the equivalence point is 9.0. Calculate the molarity of the NaOH solution.
calculate the molality m of a 7.25 kg sample of a solution of the solute ethanol dissolved in the solvent water if the
Problem- A by-product of Ethane C2H6 oxidation by O2 is acetaldehyde C2H4O. Acetaldehyde then produces a chemical called peroxyacetal nitrate or "PAN" (C2H3O3NO2), a nasty eye irritant. Consider the following reactions and explain why PAN concentr..
A sample of a smoke stack emission was collected into a 1.25-Ltank at 752 mm Hg and examined. The analyzed showed 92%CO2, 3.6% NO, 1.2% SO2, and 4.1%H2O by mass. Explain what is the partial pressure exerted by each gas
Consider the air pollutants NO and NO2, contributors to photochemical smog. Both can be formed by the reation between atmospheric nitrogen and oxygen. At 25 C
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 337°C, 786.0 mmHg and contains only N2, O2, CO2, and H2O
commercial vinegar was tritrated with naoh solution to determine the content of acetic acid hc2h3o2. for 20.0
The average speed of a nitrogen molecule at 25 0C is 515 m/s. What is the average speed of an ammonia mole at that temperature
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