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the diprotic acid H2B is being titrated against .04M NaOH. H2B has 40mL, .2M concentration, Ka1+2.5*10^-3, Ka2=3*10^-10. What are the concentrations of each species in the following pts in the titration? .00mL base added, 100 mL base added, 200 mL of base added, 300 mL of base added, 400 mL of base added, and 500 mL of base added
According to the following reaction, how many moles of sulfur trioxide will be formed upon the complete reaction of 0.429 moles sulfur dioxide with excess oxygen gas
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3.
What is the substance being oxidized?
Consider the reaction, 2 Al(OH)3 + 3 H2SO4 ->Al2(SO4)3 + 6 H2O. How many grams of Al2(SO4)3 are generated when 152 g of H2SO4 reacts?
Calculate the mass of a sample of iron (in kilograms) which contains the same number of atoms as 0.8118 L of mercury metal (density of mercury is 13.534 g/cm3).
What is the concentration of each of the following solutions? a) The molality of a solution prepared by dissolving 25.0g of H2SO4 in 1.30L of water b) The mole fraction of each component of a solution prepared by dissolving 2.25g of nicotine, C4H1..
The water level in the Carbon dioxide collection cylinder is higher than the water(H2O) level outside the cylinder.Is the wet carbon dioxide gas pressure greater or less than atmospheric pressure.
Electromagnetic radiation has an energy of 926 J. The wavelength of this radiation is 856 nm. How many photons are required to generate this energy?
What pressure will the evolved carbon dioxide produce when 184.5g of calcium carbonate decomposes in a 20.00L container at 22.4 deg celsius?
Balance the following equations: a) Zn(s)+H2SO4(aq)--->ZnSO4(aq)+H2(g); b)Al(s)+H2SO4(aq)--->Al2(SO4)3(aq)+H2(g); c)K2SO4(aq)+BaCl2(aq)--->BaSO4(s)+KCl(aq); d) CaCO3(s)--->CaO(s)+CO2(g); e)Al2(SO4)3(aq)+KOH(aq)--->Al(OH)3(s)+K2SO4(aq).
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 10.0g of luminol to H2O creating a solution with a total volume of 75.0 mL.
Combustion of 7.20 g of this compound produced 14.4 g of CO2 and 5.89 g of H2O. What is the emperical Formula of the unknown compound?
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