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Calculate the mass of ferrous ammonium sulfate you would need to add to a 100.00 mL volumetric flask to make a solution that is 59 ppm in Fe. Then, stock solution A is prepared by dissolving 183.5 mg of ferrous ammonium sulfate in water and diluting to volume in a 500-mL volumetric flask. Calculate the concentration of iron, in ppm, in stock solution A. Stock solution B is prepared by diluting 11.00 mL of stock solution A to 100.00 mL. Calculate the concentration of iron, in ppm, in stock solution B.
Balanced Equation for Sulfathiazole Synthesis - Regarding the synthesis of sulfathiazole from 2-aminothiazole and p-acetamidobenzenesulfonyl chloride,
a 5.0 dm3 sample of oxygen at a pressur of 200 kpa and 2.0 dm3 sample of nitrogen at a pressure of 500 kpa are
An antacid tablet containing calcium carbonate as an active ingredient required 26.8mL of .112 M HCL for complete neutralization. What mass of CaCO3 did the tablet contain?
what is the maximum number of electrons that can be accommodated in a all the 5g orbitals 8. b all the 6f orbitals and
What is the balanced equation for copper (II) hydroxide + acetic acid (HC2H3O2)? and what is it's reaction, single, or double replacement.
How many moles of an alcohol are needed to react with 1 mole of an aldehyde to form a hemiacetal?
A glass vessel fitted with an on/off value has a mass of 337.428g when evacuated. When filled with Ar, it has a mass of 339.712g. When evacuated and refilled with a mixture of Ne and Ar, under the same conditions of temperature and pressure
The pH at the ¼ neutralized point in the titration of a weak acid is 3.958. What is the pKa of this acid
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C.
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol. Please provide answer in kJ/mol
Ethers can be prepared by SN2 attack of an alkoxide ion on a alkyl halide. Suppose you wanted to prepare cyclohexyl methyl ether, shown below, using the SN2 reaction
suppose 50.0 ml of 0.250 m cocl2 solution is added to. 25.0 ml of 0.350 m nicl2 solution. calculate the concentration
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