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An unknown mass of MgCl2 was dissolved in sufficient water to fill a 250.0 mL volumetric flask to the mark. A 10.00 mL aliquot was taken from the flask and titrated with 3.64 x 10-2MAgNO3 solution resulting in the formation of 82.4 mg of solid AgC1 (Molar mass = 143.3 g/mol). Determine the mass of MgC12 (Molar mass = 95.2 g/mol) that was added to the original 250 0 mL volumetric flask as well as the volume of AgNO3 solution used in the titration.
They obtained the following data for the concentrations of H2, I2 and HI at equilibrium in units of moles per liter. Calculate the value of Kc for each run.
what is the chemical formula for this salt? B- a brown colored salt contains a cation from group 3, it has no reaction with concentrated H2SO4 and produces a soluble product with acidic AgNO3 and acidic BaCl2, this salt is not water soluble. What ..
What is the magnetic field strength of the NMR system in Tesla? Show all equations and explain. c) Are the resonances of A and B well enough resolved to be able to measure the relative concentrations by NMR? Explain reasoning.
if 7.00 mol calcium carbide cac2 reacts with an excess of water how many moles of acetylene c2h2 will be
Suppose 5.0 mol of antimony (III)fluoride is added to 10.0 mol of carbon tetrachloride. How many grams CCl2F2 and SbCl3 are there if the reaction is 100% complete?
The solubility of AgCrO4 is several times greater than that of AgCl, so the red precipitate cannot form until all the chloride ions have effectively been removed from the solution.
calculate the change in ph caused by adding 10.0 ml of 2.24-m hcl to 370. ml of each of the following solutions. awater
sample melts before you were ready to read the temperature. Should you cool the capillary and start again or prepare a fresh sample? Explain.
Fiber is an indigestible cellulose product that passes through our system without getting metabolized. If your burned food contained a lot of fiber, how would you expect your calorie value to the "posted" calorie value on the box
Compare the experimental mole ratio of NaHCO3 to NaCl with the theoretical mole ratio. Explain the difference. The experimental mole ratio is 1:1.
In cooking over an open flame, a yellow flame is often observed when some food is spilled into the flame. What is most likely responsible for the yellow flame color
2.58g of a gas has a volume of 3.97L at 745mmHg and 21 degrees celcius. What is the molecular weight of the gas?
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