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Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq). The ionization constant for HClO can be found here.
1.before addition of KOH
2.after addition of 25 ml of KOH
3. after addition of 40 ml of KOH
4. after additioon of 50 ml of KOH
Suppose you started with 2.6 M of HCN(aq), what would be the molar concentration of HCN(aq) at 20 days?
Calculate the amount of heat required to completely sublime 23.0g of solid dry ice (CO2) at its sublimation temperature
Write a procedure that would follow to demonstrate the effect of increasingly higher concentrations of hydrochloric acid on its rate of reaction with antacid tablets. Can only use materials listed:
Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
Which of the following would be the best procedure for extracting acetaldehyde from an aqueous layer to the organic layer? a. Extracting the aqueous layer one time with 200 mL of the organic solvent.
When 0.069 mol of aluminum sulfate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of aluminum ions?
In the dehydration of methylcyclohexanols, would it be advantageous to relux the reaction mixture instead of performing a distillation?
A calibration curve for absorbance versus the concentration of the chemical indicator crystal violet is found to have a slope of 19. If a sample of unknown concentration has an absorbance of 1.32
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
When 20 mL of a 315 mL stock solution containing 2.2 M AlCl3 is diluted to 81 mL, what is the concentration of Al3+ in the new solution.
The isotactic conformation of polypropylene is more regular than the syndiotactic conformation of polypropylene. C. Vinyl Polymers can exist as both Cis and trans isomers.
A Mixture of 80mL of Hydrogen Gas and 60 mL of Oxygen gas is ignited by a spark to form water (please show work) a) does any gas remain unreacted.
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