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Explain what percentage of the total phosphorus in a phosphoric acid solution adjusted to a pH of 12.00 would be in the form of PO43-?
Draw the structures of and label as the major and minor dehydrohalogenation products of reaction between 2-bromo-2-methylbutane with sodium ethoxide in ethanol.
A student heated a 4.901 g sample of hydrated iron chloride. After heating, the anhydrous iron chloride has a mass of 3.010 g. Calculate the percentage by mass of water in the hydrated compound.
In a certain decomposition reaction, dinitrogen pentoxide decomposes to form nitrogen dioxide gas and oxygen gas. It was found that at 187 seconds the concentration of oxygen gas was 0.374 mol/L and at 549.5 seconds the concentration of oxygen gas..
A 52.2 mg portion of tri-protonated arginine is disolved in 995.5ml of distilled ,deionized water. then 4.5mls of 0.15N NaOH is added . what is the pH of the resulting 1 litter solution
write chemical equations which show what happens when carbondioxide is absorbed by sodium hydroxide and when barium
For the reaction, A(g) + B(g) => AB(g), the rate is 0.579 mol/L.s when the initial concentrations of both A and B are 2.00 mol/L. If the reaction is first order in A and second order in B, what is the rate when the initial concentration of A = 2.3..
Use this mass and the dilution volumes to calculate the ACTUAL molarity of the sulfuric acid in the INITIAL solution.
The contents of the tank are transferred without loss to an evacuated 55 L tank in scold room where the temperature is 4 degree C . What is the pressure in the tank ?
The simulated APT spectrum of a compound with the molecular formula C4H8 is shown below. Draw a structure that is consistent with this data.
explain why water is not plotted on the delta t versus molecular mass graph in the analysis .(hint:what makes water different from the other 3 solvents?
A gas occupying 28mL at standard conditions is heated to 18C while the pressure is reduced to 0.98221 atm. What is the new volume occupied by the gas? Answer in units of mL.
Calculate the concentration of Cu^2+ in a solution prepared by adding 4.5*10^-3 mol of CuSO4 to 0.490 L of 0.37 M NH3.
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