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[H+] of the rainfall over Washington, DC is 3.163*10-5 moles/liter. what is the ph of the rainwater?
Why in this work-up procedure is ordinary not anhydrous ether used for rinsing the reaction. ask and to provide a satisfactory volume for the extraction.
If 2.45 g of X reacts with 6.55 g of M to produce 11.25 g of a compound with the formula M2X3, and the atomic mass of M is 42.0 amu, what is the atomic mass of X
propane c3h8 burns im oxygen to produce carbon dioxide and water vapor. the balanced equation for this reaction is c3h8
If 2 atoms of silver metal react with 1 molecule of fluorine gas at constant pressure, 2 formula units of solid sodium fluoride are produced and 409.2 kJ of heat is released.
A mixture of Helium, Neon, and Nitrogen gases has a pressure of 1.348 atm. Determine what is the partial pressure of N2 in the mixture If the pressures of Helium and Neon are 0.124 atm and 0.996 atm, respectively.
Sodium metal reacts with water to produce hydrogen gas and sodium hydroxide according to the chemical equation shown below. When 0.030 mol of Na is added to 100.00 g of water, the temperature of the resulting solution rises from 25.00°C to 37.90°C..
What is the pH at the point during a titration when 34 mL of 0.200 M HCl has been added to 33 mL of 0.0500 M NH3 solution? HCl is strong acid, Kb = 1.8 × 10-5 for NH3.
What is the Molarity of a solution prepared by diluting 55mL of .65 M hydrochloric acid solution to a final volume of 155mL by adding water.
A total of 24.33 ml of 0.00245 M EDTA was used to titrate 100.00ml of a water sample. An AA analysis of the sample determined that the Ca2+ concentration is 9.32 mg/L.
What is the composition of this mixture on a %, by mass, basis? Show all calculations; report answer to the maximum number of significant figures possible
when 10cm3 of a gaseous hydrocarbon cahb was exploded with an excess of oxygen a contraction of 35cm3 occured all
Although aluminium chloride is ionic in the solid state it is molecular in the gaseous state. write the lewis structure, prepare a VSEPR sketch, describe the geometry, prepare a VB sketch, and desribe the bonding in gaseous AlCl3
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