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NaOH solution is used to determine the amount of Mg(OH)2 in a sample of milk of magnesia, (molairty of NaOH is 1.172M). A 10.0 gram sample of milk of magnesia is required with 8.00 mL of 6.00 M HCl. The excess HCl required 17.56 mL of NaOH. What is the % Mg(OH)2 in milk of magnesia? The person who answered my question got around 13 percent i believe. But I'm not sure if it is right because i believe he or she may have forgot to convert the 17.56 ml to L.
Assuming that the calorimeter absorbs only a negligible quantity of heat and that the density of the final solution is 1.0 g/mL, calculate the enthalpy change per mole of BaSO4 formed.
Write a reaction for the formation of a peptide bond between alanine and serine. React the amino group of alanine with carboxyl group of serine. Remember that there are 2 products in this reaction.
The production of iron and carbon dioxide from Iron (3) oxide and carbon monoxide is an exothermic reaction? how many kj of heat are produced when 3.40 mol Fe2O3 reacts with excess of CO.
Determine the amount of heat energy is needed to raise the temperature of 0.362 kilograms of Cu from 23. Degree Celsius to 60 degree Celsius?
Compute the Ka for the acid if the pH of the resulting solution = 6.36. and determine the pH of the resulting buffer
How does iron particle size affect the removal of the dyes? In addition to the synthesized nanoparticles, you will have access to several different bulk iron particle samples (with diameters of 1 mm, 0.15 mm, 0.069 mm, and
How many grams of sucrose must be added to 552g of water to give a solution with a vapor pressure 2.o mmHg less than that of pure water at 20 celsius?
A piston has an external pressure of 8.00 \rm atm. How much work has been done if the cylinder goes from a volume of 0.170 liters to 0.530 liters.
What is the molarity of ZnCl2 that forms when 30.0 of zinc completely reacts with CuCl2 according to the following reaction? Assume a final volume of 285 mL . Zn+ CuCl2=ZnCl2+Cu.
how does the technique error affect the report percent water in the hydrated salt? Explain lab 5 percent water in a hydrated salt.
Analytical molar concentrations of HA species 2) Equilibrium molar concentrations of HA species. Trichloroacetic acid (HA) is 73% ionized in water
Determine the changes in entropy (of the system, the surroundings, and the universe) for each step of the cycle and the cycle overall. Evaluate the maximum efficiency of the engine, assuming that the heat is supplied in step (2).
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