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When 75.0 of a 0.100 lead nitrate solution is mixed with 100.0 of a 0.190 potassium iodide solution, a yellow-orange precipitate of lead iodide is formed what is the molarity of each resulting ion?
A black precipitate remaining from the seperation of Cr^3+ and Fe^2+ ions is dissolved in HCl and HNO3. Some NH3 is added, followed by several drops of dimethylglyoxime. (a). A colorless solution results, What do you think happened.
the density of plutonium metal is 19.84 g/cm3 , and the density of plutonium (IV) oxide is 11.46 g/cm3. over a period of 7-10 years, a 2.5-kg sample of plutonium metal stored at Los Alamos National Laboratory in New Mexico was converted to plutoni..
If you wanted to know how much carbon there is in a 100kg person, what information would you need? Try to calculate the amount of carbon in a 100kg person.
Calculate the number of moles in each of the following quantities.a) atoms of each element in 3.35 moles of aspirin(C9H8O4)
nitrobenzenesulfonic acid starting from benzene and using any needed organic/inorganic reagents.
a 235ml solution is prepared with 41.8 millimoles of an unknown sodium salt of a deprotonated organic acid nax. if the
Consider a saturated solution of calcium fluoride in 0.092 M potassium nitrate. Complete the following tasks, and then answer the question. a) Write the chemical equation corresponding to Ksp.
A deep-sea diver uses a gas cylinder with a volume of 10.0 {\rm L} and a content of 51.8g of {\rm O}_{2} and 33.6g of {\rm He}. Calculate the partial pressure of each gas and the total pressure if the temperature of the gas is 20^\circ C.
a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid. How many moles of KOH were in the sample?
Equal volumes of 0.1 M solutions of KOH and HNO3 are mixed. What is the pH of the resulting solution
Determine the initial quality and temperature of the fluid mixture prior to heating. [quality x1 = 0.182, T1 = 113.3°C] b) Determine the final volume of the steam after heating. [0.546 m3 (546 liters)] Note: 1000 liters - 1 m3
What is the percent yield of a reaction in which 228. g phosphorus trichloride reacts with excess water to form 118 g HCl and aqueous phosphorus acid (H3PO3)?
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