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What is the concentration of a solution formed by diluting 25.0 mL of a 3.2 M NaCl solution to 135.0 mL?
It is given that the v.p. of water =233.7 mm Hg.at 70 degree Celsius then calculate the vapor pressure? express your answer in mm Hg ?
A certain pesticide is fatal to fish fingerlings at a level of 0.5 parts per million in water. A leaking metal can containing 10.0 kg of the pesticide was dumped into a stream with a flow of 10.0 Liters per second moving at 0.7 km/hr.
In an oxidation-reduction reaction, it required 25.6 ml of a 0.65 M potassium permanganate solution to reach the equivalence point with 15.0 mL of an iron(II) sulfate solution.
In a beaker, I mix 50 ml of 3 M HCl with 100 ml distilled water. Both fluids are at 25 C initially. (Cp mix =. 0.985 cal/g-C) a. what is the final T.
What is the average speed of the sprinter if A sprinter set a high school record in track and field, running 200. M in 22.0s .express your answer in kilometers per hour?
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
Suppose that the volume of a particular sample of Cl2 gas is 8.7 L at 895 torr and 24 degrees Celsius. How many grams of Cl2 are there in the sample.
Show whether or not precipitate will form in this process when the Ksp of Pbl = 9.8*10 -9
An open-end manometer containing mercury is connected to a container of gas. The mercury in the arm attached to the gas is 13.6cm higher than the one open to the atmosphere.
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
An industrial hygiene survey has been conducted to determine whether exposure of workers to ethyl benzene (molecular weight 106) exceeded the OSHA PEL of 100 ppm.
A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?
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