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Problem- Enough of a monoprotic acid is dissolved in water to produce a 0.0174 M solution. The pH of the resulting solution is 2.48. Calculate the Ka for the acid.
Explain each and every step in detail. I need proficient help in the above problems.
A technician is plating a faucet with 0.86 grams of chromium from an electrolytic bath containing aqueous Cr2(SO4)3. If 12.5 minutes is allowed for the operation, what current is needed
Presume the pressure on a 1 kg bar of iron was raised from 1 atm to 1000 atm at a constant temperature of 25 °C. Specified that the density of the bar is 7874 kg/m3, is 11.8 x 10-6 K-1, define what is the entropy change (in J/K) of the iron bar
Using the technique of the previous problem ?E was found to be -2,000.00 kJ/mol of an unknown liquid hydrocarbon at 298 K. In another experiment it was determined that for each mole of hydrocarbon, 4 moles of oxygen gas are consumed and 9 moles of..
The pressure of hydrogen fluoride in Agent P's lab is lower than expected and rises more quickly as the temperature is increased than the ideal gas law predicts. Suggest an explanation. Are we dealing with a real or ideal gas
What mass of solid sodium fluoride (molar mass = 41.99 g/mol) should be added to 1.0 L of 0.23M hydrofluoric acid to make a buffer with a pH of 2.94? (Ka of HF = 1.36 x 10-3)
Complete and balance an equation describing each of the above reactions. (Type your answer using the format CO2 for CO2, (NH4)2CO3 for (NH4)2CO3, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.)
construct a lewis structure for hydrogen peroxideh2o2 in which each atom achieves an octet of electrons.do you expect
a tank of helium gas at 25 degrees celcius has a pressure of 100atm and a volume of 50 liters how many 10 liter helium
If, at a given temperature, the equilibrium constant for the reaction H2(g) + Cl2(g) 2HCl(g) is ?6.0, then the equilibrium constant for the reaction HCl(g)
A system contracts from an initial volume of 15.0 L to a final volume of 10.0 L under a constant external pressure of 0.800 atm
Explain what is the temperature at which the solution of KI will boil if the solution contains 126.15 g of KI dissolved in 350.9 grams of water. Kb of water is 0.512 C/m
using a solution that is prepared nbspby dissolving .702g of fenh42so42middot6h2o in 50ml of h2o having 1 ml of
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