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Calculate pH of 0.1M solution of Acetic acid. Calculate the volume of 1 M solution of NaOH required to neutralize 20mL of 0.1 M acetic acid solution (final pH should ;be 7.0). (pKa of Acetic acid = 4.76).
What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
If 4.5 of ammonium chloride were dissolved in 200 L of water what would be the ammonium chloride concentration in mg/L
A 1L steel tank has a safety valve that opens when the internal pressure exceeds 850 torr. The tank is filled with He at 23 oC and 0.991 atm.
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.
What nuclide is produced in the decay process? Write the balanced radiochemical equations for both (proton absorbtion and alpha decay) processes.
An airplane is pressurized to 650 {rm mm,Hg}, which is the atmospheric pressure at a ski resort at 1.30×104 {rm ft} altitude. If the partial pressure of oxygen drops below 100 {rm mm,Hg}, passengers become drowsy.
Calculate the CNaOAc and CHOAc necessary to make the desired buffer. Remember, the 0.100M specification indicates
Value of E: 1.3 g x 1 mole/100.09=1.29 x 10-2 moleCaCO3 Using the value in your answer to question E., calculate the number of moles of HCl that two TUMS
A 35.8-g sample of cadmium metal was melted by an electric heater providing 4.66 J/s of heat. If it took 6.92 min from the time the metal began to melt until it was completely melted, what is the heat of fusion per mole of cadmium?
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
what is ture when equal masses of a and b are reacted?
If a bottle of nail polish remover contains 176 of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 .
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