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1. Calculate the pH in 1.18 M CH3CO2H to two decimal places.
Calculate the concentrations of all species present (H3O+, CH3CO2-, CH3CO2H, and OH-) in 1.18 M CH3CO2H TO TWO SIG FIGS.
2. Calculate the pH in 0.160 M CH3CO2H.
Calculate the concentrations of all species present (H3O+, CH3CO2-, CH3CO2H, and OH-) in 0.160 M CH3CO2H TO TWO SIG FIGS.
3. Calculate the pH in 0.016 M H2CO3 (Ka1=4.3×10-7; Ka2=5.6×10-11).
Calculate the concentrations of all species present (H2CO3, HCO-3, CO2-3, H3O+ and OH-) in 0.016 M H2CO3.
what effect does the presence of sodium sulfite group on methyl orange have on the solubility of methyl orange in water. If this group were absent, would you expect the solubility of the resulting molecule to be more or less soluble in hexane than..
a hot piece of silver metal 552.0gin mass was dropped into acup containing 332.8g of cold water. the final temperature
Erythromycin is a weak base that has a pkb of 5.20. Twenty-five ml of 0.30 M solution of erythromycin is titrated with 0.35 M nitirc acid . Calculate the pH in each of the following additions of acid.
Calculate the pH of the buffer 1.0 M acetic acid and 1.0 M sodium acetate after the addition of 0.10 ml of HCl. Ka=1.8x10-5
Chromium metal can be produced from the high temperature reaction of Cr2O3 with aluminum by the following equation: Cr2O3 + 2Al ----> 2Cr + Al2O3. Calculate the number of grams of aluminum required to prepare 159g of chromium metal
Explain titration of a strong acid with a strong base. The pH curve for titration of 50.0mL of a 0.100 M solution of hydrochloric acid with a 0.100 M solution of NaOH (aq). For clarity water molecules have been absent from the molecular art.
A current of 0.010 amp is passed through an aqueous solution of rhodium sulfate salt. The only reaction at the cathode is the deposition of rhodium metal. After 3.0 hours, 0.038g of rhodium metal has been deposited. What is the formula of the rhod..
An atmoshperic sample contains nitrogen at 599 torr, oxygen at 154 torr, argon at 6 torr, and carbon dioxide. Assuming standard pressure, what is the partial pressure of carbon dioxide gas
mixed in water and treated with 53.20 mL of 0.1030 M I2 (253.80amu) according to the equation C6H8O6 (s) + I2 (aq) ----> C6H6O6 (aq) + 2HI (aq)
Calculate the pH of the diaprotic acid solution 0.0028 M H2TeO4 (aq) (telluric acid) at 25 degrees C, ignoring second deprotonations only when the approximation is justified. Ka1= 2.1x10^-8 and Ka2=6.5x10^-12.
Find the final temperature of 10kg of iron metal, initially at 25degC, after the addition of 50000 J of heat
The galvanic cell described by the cell notation has a standard emf (electromotive force) of 0.63 V. Calculate the value (J) for the maximum electrical work that the cell can do under standard conditions.
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