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Most barium compounds are very poisonous; however, barium sulfate is often administered internally as an aid in the X-ray examination of the lower intestinal tract. This use of BaSO4 is possible because of its low solubility. Calculate the molar solubility of BaSO4 and the mass (in g) of Ba2+ present in 0.590 L of water saturated with BaSO4. (The volume administered is determined by the type of test the patient will undergo as well as certain patient characteristics.)
A scientist wants to make a solution of tribasic sodium phosphate, for a laboratory experiment. How many grams of will be needed to produce 375 of a solution that has a concentration of ions of 1.10
SLIGHTLY LESS than 100 degrees Celsius, but the final boiling point was AT 100 degrees Celsius. Why should the boiling point rise as the distillation progresses?
Suppose you have 260.0 mL of a 0.320 M NaC2H3O2 solution. You add 260.0 mL of a 0.320 M HCl solution to it. What is the new pH. If you added an additiional 40.0 mL of a 3.20 M HCl solution to the aboe solution, what is the new pH.
what is the ce3 concentration in a solution formed by combining 50.0 ml of 0.0500 m ce3 with 50.00 ml of 0.150 m io3-?
Write a balanced equation for the following reaction: nitric acid reacts with calcium hydroxide to produce water and calcium nitrate
If 29.58 mL of 0.550 M NaOH is required to titrate the oxalic acid in the 0.554g sample to the equivalence point, what is the weight percent of oxalic acid in the mixture. Oxalic acid and NaOH react according to the equation H2C2O4 (aq) + 2 NaOH(a..
1-A 27.9 g sample of ethylene glycol, a car radiator coolant, loses 680. J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)
Were the Shroud to date to 33 CE, what would be the anticipated fraction of 14C present today relative to the amount originally present
Calculate the standard free-energy change for the following reaction at 25 degrees C. 2Au^3+(aq) + 3 Cr(s) 2Au(s) + 3Cr^2+(aq)
Give structural formula ( dash, condensed, or bone-line) for five constitutional isomers of molecular formula C6H14O (remember that carbon is tetravalent, oxygen is divalent, and hydrogen is monovalent)
If one needed to predict the temperature change when a series of metals with equal mass are heated, which of the following values would need to be obtained from a reference
synthesis gas can be made by reacting red-hot coal with steam. estimate the temperature at which the equilibrium
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