What are the concentrations of the invidual ions
Question: A solution is prepared by diluting 25.00 ml of a .308 M solution of NiCl2 to a final volume of 0.500 L. What are the concentrations of the invidual ions Ni and Cl in this solutions?
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Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places.
How many mL of an ethanol-water solution prepared by dissolving 15.0 cm3 of ethanol (density= 0.789 g cm-3) in sufficient water to produce 120.0 cm3 of solution
Give a complete specific mechanism for the formation of the ester, ethyl 2-phenyl acetate?
Question: Both HIO( Hypoiodous acid) and HIO3 (Iodic acid) are both weak acids. a. What is the oxidation state of the iodine atom in each acid?
What is the difference in a molecule and an atom?
If 50.0 grams of iron(III) oxide were mixed with 50.0 grams of aluminum, what maximum mass of iron metal could be produced?
How many kilojoules of heat energy would be liberated if 220.6 g of propane were combusted in the presence of 320.0 g of oxygen given the balanced chemical equation below and its corresponding enthalpy data? Assume 98.00 % yield.
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 28.0cm higher than the level in the arm open to the atmosphere
A gas mixture is made by combining 8.9 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 21.10 L. What is molar mass of the unknown gas?
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