What is the chloride ion concentration (in ppm)
A mass of 0.750 g calcium chloride is diluted with 975 g H2O. What is the chloride ion concentration (in ppm)?
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What volume of 0.125 M HClO4 solution is needed to neutralize 45.00mL of 8.70×10-2 M NaOH?
What is the equilibrium concentration of carbon dioxide in water that is in contact with air at 25 .C and 0.982 atm. The mole fraction of CO2 in air is 3.01 . 10-4. The Henry's law constant for carbon dioxide is 4.48 . 10-5 M/mm Hg.
The vapor pressure of pure water at 50.0 .C is 92.5 mm Hg. Calculate the ideal partial pressure of water at this temperature for a mixture of 45.0 g H2O and 55.0 g CH3OH?
Four objects are held in position by massless rigid rods. the masses are: 10 kg, 1.21 kg, 1.61 kg, 25.65 kg. Determine the moment of inertia for through the origin at the center of the rectangular arrangement.
How does the idea of the hero in Greek and Roman culture become integrated into the idea of the saint in the process of conversion and totalization?
Calculate the mass of propylene glycol that must be added to 0.330 of water to reduce the vapor pressure by 2.88 torr at 40°C.
Sea water has a sodium (Na+) concentration of 1.08 x 104 ppm. If the solution is present as dissolved NaCl, what mass of NaCl is in each liter of sea water? Seawater has a density of 1.05 g/mL.
What was the Franco-Prussian War of 1870-7 about and the peace treaty that ended it, which ironically was also signed at Versailles?
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