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If a 0.135-g sample of NaCl were placed on an ion exchange column in the H+ form and the eluate titrated with 0.1231 M NaOH, define what volume of the NaOH solution would be needed to reach a phenolphthalein end point?
Solid NaI is slowly added to the solution that is 0.010 M in Cu and 0.010 in Ag a) which compound will begin to precipitate first? b) calculate Ag when CuI just begins to precipitate? c) what precipitate of Ag remains in the solution at this point..
An asteroid fragment contains carbon, it may burn when entering the Earth's atmosphere. What is the most likely compound to result from this process
what would be the effect on your calculated mass percent recovery of cu if you did not completely react the mg in the
When 31.7mL of 0.235M Potassium hydroxide is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, calculate the molarity of the acetic acid solution.
the molecule atracurium is a very complex drug neuromuscular blocking agent and is associated to the natural product
A 14.7-g ice cube is placed into 324 g of water. Calculate the temperature change in the water upon complete melting of the ice. Determine how much heat is absorbed by the melting ice and then use q = mC?T to calculate the temperature change of the..
A 40-foot "fiberglass" boat hull weighs 2000 kg. Sixty percent of that is a fully cured crosslinked polyester resin (the remainder is the glass reinforcing fibers
Explain how many moles of hydrogen gas would be wanted to react with excess carbon dioxide to produce 99.1 moles of water vapor
the vapor pressure of benzene is 100.0mmhg at 26.1 degrees celsius. calculate the vapor pressure of a solution
Denoting the initial, unknown concentration CD2+, write an equation to calculate the final concentration , CD2+ considering the dilution factor, units are ppm.
A sample of neon has a volume of 780 mL when it is at a pressure of 751 mmHg. What will be the volume when the pressure is increased to 1389 mmHg?
How much heat is lost when a 640 g piece of copper cools from 375 oC, to 26 oC? (The specific heat of copper is 0.387 J/g . oC)
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