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A chemist adds 190.0 mL of a 2.8*10^-6 mol/L mercury(I) chloride (Hg2Cl2) solution to reaction flask. Calculate the micromoles of mercury(I) chloride the chemist has added to the flask. Round your answer to 2 significant digits.
A person is considered legally intoxicated with a blood alcohol level of 80 mg/dL. Assuming that blood plasma has a density of 1.025 g/mL, what is this concentration expressed in parts per million
Calculate the solubility of LaF3 in grams per liter in 1.3×10-2 M KF solution.
Would you expect benzene to be more reactive or less reactive than toluene toward electrophilic substitution. explain.
Show why this chemical is dangerous, by showing chemical reactions for its formation in the environment and its reactions in the atmosphere.
Uric acid is one metabolic end product as well as is excreted from the body in urine. The acid dissociation constant of uric acid is Ka = 4.0 x 10-6 M. The pH of a urine sample is 6.00. Define what is the ratio of urate ion to uric acid in the uri..
The compound GaP crystallizes in the zinc-blende structures. Recall that the zinc-blende structure is similar to the diamond structure. Draw a layer diagram (z= 1, z= 1/2, etc.) for GaP
What total volume of chloroform would be required to remove 99% of the cocaine from 100 mL of water in three successive extractions?
A stirred-tank heater could have an external jacket with saturated steam condensing in the jacket to heat the tank. Assume that this modification has been made.
Explain how many grams of nitrogen monoxide can form by the reaction of 509g of ammonia and 979g of oxygen
Calculate the pH of an aqueous solution prepared to contain 1.3 x 10^-3 M sodium nitrite (NaNO2) if the acid dissociation equilibrium constant, Ka, for nitrous acid (HNO2) is 5.1 x 10^-4.
Addition of 48.5mL of 2.238 m of H2SO4 (solution density = 1.1243 g/mL) to 48.5 mL of 2.238 M BaCl2 gives a white precipitate. What is the mass of the precipitate in grams
A cylindrical tank measuring 6.00 feet in diameter and 17 feet, 6 inches in length is filled with room temperature water. How many kilograms and pounds does the water weigh? The density of room temperature water is 1.00 g/mL.
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