What mass of nacl is in each liter of sea water
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.
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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.
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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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.
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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What quantity of ethylene glycol, HOCH2CH2OH, must be added to 50 grams of water to raise the boiling point by 1.0 C? Express this answer in grams.
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