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Question- What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.200 L of 0.110 M NaI? Assume the reaction goes to completion.
Explain your strategy for completing your purification task, defining your rationale as relevant
Using activity coeffient, calculate the pH of a 0.001M HCl solution. If you add a 0.010M solution of NaCl to this solution, will the pH increase, decrease or remain the same
a 40 gram sample of water at 25 degrees celcius absorbs 500 joules of energy. what is the final temperature of the water? the specific heat of water is 4.18 joules/g degrees C.
Question- Determine the pH at 25 degrees celcius of a solution prepared by dissolving 0.31 mole of ammonium chloride in 1.00 L of 0.48 M aqueous ammonia.
An unknown acid has a molar mass of 90. g/mol and a mass composition of, 40%-C, 6.7%-H, and 53.3% -O. What is the molecular formula of the acid
It takes 55.0 J to raise the temperature of an 8.80 g piece of unknown metal from 13.0C to 25.0C. What is the specific heat for the metal? Express your answer numerically, in J/g. C
A 16.0-mL sample of an unknown HClO4 solution requires titration with 25.5mL of 0.210M NaOH to reach the equivalence point. What is the concentration of the unknown HClO4 solution? The neutralization reaction
A solution of malonic acid, H2C3H2O4, was standardized by titration with 0.1000M NaOH solution. If 20.76mL of the NaOH solution were required to neutralize completely 13.15mL of the malonic acid solution, explain what is the molarity of the maloni..
Calculate the pH during the titration of 20.0 mL of 0.25 M HBr with 0.25 M KOH after 19.90 mL of the base have been added.
Green light has a wavelength of approximately 645 nm. What is the energy in kJ of 1.00 mole of photon of green light
if 18ml of oxygen are collected over water at 27 degrees celcius and 740 mm hg of pressure what volume will the dry gas
Assuming a 1.0 cm cell and a barely detectable transmittance of 99.1%, what is a reasonable lower concentration limit that one could detect of this complex ( in both mol/L and g/L)
aqueous HF and treated with nitron solution to precipitate a mixture of nitron tetrfluoroborate and nitron nitrate weighing 1.322 g. Find the weight percent of Mg in the original mixture.
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