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A cubic meter of air was sampled at 1.0 atm and 25 C and was found to contain 29.0 micrograms of S02. How many pub of SO2 is in that air?
Compute the pH of a solution made by mixing 5.00mL of 1.0 M sulfuric acid and 10.0mL 0.1M sodium Hydroxide.
in the final step of the purification process in the miniscale procedure for preparing 1-bromobutane from sodium
Calculate the concentrations of all species in a 1.44 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Outline the recrystallization procedure you would suggest she use here.
How many copper atoms are in a cube of copper metal measuring 1.35 cm on each edge. The density of copper is 8.96 g/cm3.
I have a solution that contains 30 lbs of sugar and 2.5 gallons of water. Calculate the mass percent, molarity, molality and mole fraction.
Diethyl ether is a volatile organic compound. the vapor pressure of diethyl ether is 401 mm Hg at 18 degrees celsius and the change in H vapor = 26.0 kJ/mol. Calculate the vappor pressure of diethyl ether at 0 degrees C.
What are he difference between sigma and Pi bonds, and how are they used?
What is the density (in grams per liter) of a gas mixture that contains 25.0% F2 and 75.0% He by volume at 768 mm Hg and 25.0 degrees C
Calculate the amount of N2 gas released (in liters at 37°C and 1.2 atm) when the diver returns to the surface of the water, where the partial pressure of N2 is 0.80 atm.
why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical
A 0.250 L volume of 0.128 M NH4PF6 is condensed to a volume of 0.100 L, calculate the molarity (M) of NH4+ in the new solution. Molar Mass (g/mol)
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