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using a sample of river water sample analyzed for total inorganic carbon ,The river pH= 7.1 and an inorganic C concentration of 6.97 mg C/L. Determine what is the alkalinity of the river water in expressed in mg CaCO3/L? The following reactions can be used to describe this system: CO3 ^2- + H+ ↔ HCO3- Kf1 = 2.13 x 1010; HCO3- + H+ ↔ H2CO3 (aq) Kf2 = 2.22 x 106; Use α expression to determine the specific concentrations of H2CO3, HCO3- and CO3^ 2-at this site.
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
A 1.0 L buffer solution is 0.250 M LiC2H3O2 and 0.050 M HC2H3O2 . Which of the actions will destroy the buffer? (a)adding 0.050 moles of LiC2H3O2(b)adding 0.050 moles of HCl(c)adding 0.050 moles of HC2H3O2(d)adding 0.050 moles of NaOH.
Find the volume of oxygen gas required to react completely with iron and Calculate the volume of oxygen gas at STP that is required to completely react with 61.0 g of iron.
Uses of de-Broglie equation in electromagnetic specra - Find the mass of oxygen and decomposed potassium chlorate along with the pressure in the glass bulb.
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
Find the mass of a reactant using Dalton's law of partial pressures, ideal gas law, and stoichiometry - Determine the amount of zinc metal in grams consumed in the reaction.(Vapor pressure of water at 25 o C-23.8mmHg)
With respect to the corrosion of steel in concrete, explain the significance of the following terms: carbonation of concrete, passivity of steel, electrical resistivity of concrete, state of oxidation of iron.
Using a sample of 0.385 g of Alka-Seltzer, the mass of Carbon dioxide is found to be 0.122 gram. Compute and enter response (in numerical value only) to three significant figures.
Determine the molar mass of aspartame and How many moles of molecules are in 10.0g of aspartame?
Determine the percent by mass of calcium carbonate in the sample
Find the rate of the reaction - What is the rate of the reaction?
When you standardized the Sodium thiosulfate, what molarity of Na2S2O3 did you observe for each of your 3 trials.
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