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Barium sulfate, BaSO4, is used in medical imaging of the GI tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail, is ingested by the patient, whose stomach and intestines can then be visualized via X ray imaging. If a patient ingests 360 mL of a saturated barium sulfate solution, how much toxic Ba2+ ion has the patient consumed?
The solubility of Ksp of BaSO4 is 1.1x10^-10.
Mass of Ba2+ = _______g
Calculate the number of grams of alcohol present in 1.00 L of 69 proof gin. The density of ethanol is 0.798 g/mL.
An oil bath maintained at 50.5 oC loses heat to its surroundings at the rate of 4.68 kJ/min. Its temperature is maintained by an electrically heated coil with a resistance of 60 operated from a 110 V line.
what is the density of a sample of ammonia gas if the pressure is 705 mmHg and the temperature is 63.0 degrees C
If 3.17 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
when hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
Osmium has a density of 22.6 g/cm3. What volume (in cm3) would be occupied by a 21.8 g sample of osmium?
You burn 0.0956 g of the compound and isolate 0.1356 g of CO2 and 0.0833 g of H2O. What is the empirical formula of the compound.
A certain substance has a heat of vaporization of 37.43 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.00 times higher than
What is the mass of sulfur dioxide gas (SO2) at STP in 164 L of the sample?
Chlorine gas can be made in the laboratory by the reaction of hydrochloric acid and manganese (IV) oxide.
Calculate the average formal charge on an oxygen atom in the structure of the phosphate ion that minimizes formal charges, such as demonstrated in Part A.
How many moles of MgCl2 are present in 50.0 mL of 0.800 M MgCl2 solution?
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