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Question- Barium sulfate is swallowed to enhance xray studies of the gastrointestinal tract. At body temperature, 37 C, the Ksp of BaSO4=1.5E-10 and the Ka of HSO4-= 7.1E-3. In the stomach, the pH is 1.00. Calculate the solubility of barium sulfate in the stomach. HSO4- = 1.0 molar
Explicate the each step. Explicate the process and each step.
What is the concentration of KOH for the final solution?
Which of the following solutes in aqueous solution would be expected to exhibit the largest freezing-point lowering (assuming ideal behavior)
The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 × 10-13 at 25.0 °C. What is the pH of a 2.5 M aqueous solution of phosphoric acid
Problem- For the following processes, state whether each of the thermodynamic quantities q, w, delta U, and delta H is greater than, equal to, or less than zero for the system described. Explain your answers briefly. Note: adiabatic means no heat ..
A gaseous fuel mixture stored at 748 mmHg and 298 K contains only methane CH4 and propane C3 H8. When 11.2 L of this fuel mixture is burned, it produces 769 kJ of heat. What is the mole fraction of methane in the mixture
Why would it be difficult to observe a positive Ceric Nitrate Teston an old bottle of a diet cola drink (Diet Cola if it contained hydrolyzed aspartame)? What indicates a positive test andwhat color is the starting solution from cola drinks
the specific heat of liquid bromine is 0.226 jg-k. how much heat j is required to raise the temperature of 10.0 ml of
The atomic weight of a newly discovered element is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu.
Gasoline currently powers the majority of automobiles in the U.S. but electric cars have been touted as a way to reduce our dependence on gasoline as well as improve our air quality by reducing production of byproducts associated with gasoline com..
For the following combination of reactants, enter the formulae of the products in the space provided and give their states. Separate multiple products with a comma
A galvanic cell is composed of these two half cells, with the standard reduction potential shown: Co2+(aq) + 2e- Co(s) -0.28 volt Cd2+(aq)+ 2e- Cd(s) -0.40 volt The actual concentrations are: Co^2+(aq) = 0.00100M, Cd^2+= 0.100M. What is the p..
how many milliliter of 0.165M KMnO4 are needed to react with 108.0ml of 0.165 M oxalic acid? How many milliliter of 0.165M oxalic acid are required to react with 108ml of 0.165M KMnO4
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