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-Calculate the solubility product of a lead sulfate solution if 3.03 x 10-2 g of the product is dissolved in 1000 mL of water at 25°C. -Calculate the solubility product of a solution of silver chromate, Ag2CrO4, at 25°C, if 1.4 x 10-4 g are completely dissolved in 1000 mL of water. -Calculate the solubility of CaCrO4 if its Ksp is 1.6 x 10-9 at 25°C, in mg/L.Ksp = 1.6 x 10-9 -Knowing that the concentration of Ag+ in a silver chromate solution is 1.5 x 10-3 M, calculate its solubility product at 25°C. -We dissolve 0.005 moles of strontium chromate in 1 L of solution at 25°C. Will a precipitate be formed?
Write the correct chemical formulas (with state) for the products that would form (if any) when the following aqueous solutions are mixed.
Amoxil 125 mg/ 2 mL comes in a 50 mL bottle (when reconstituted) 1. If the patient is to receive 250 mg, what will the dose be in mL? 2. How many teaspoon(s) is (are) equivalent to 250 mg?
In the Balmer-Rydberg equation, what value of is used to determine the wavelengths of the Balmer series?
Radium-226 (atomic mass = 226.025402 amu) decays to radon-224 (a radioactive gas) with a half-life of 1.6x10^3 years. What volume of radon gas (at 25 C and 1 atm) is produced by 22 grams of radium in 4.5 days.
A solution of a weak acid was tested with the indicators used in this experiment. The colors observed were as follows
Calculate the number of grams of H2 formed If the wet Hydrogen gas formed occupies a volume of 9.67 Litres
Calculate the pH of a buffer solution that is 0.250 M in HCN and 0.170 M in KCN. For HCN, Ka = 4.9 x 10^-10 (pka = 9.31). Use the equilibirum approach to calculate this pH
In the past 20 years there has been much debate about the existence of global warming due to excessive amounts of CO2
2) Why is it important that the total volume of each Cu2+-EN mixture be identical? The experiment is (Determining the Formulas of Copper(II)-Ethylenediamine Complex Ions by Spectrophotometry)
Based on the following definitions of stereospecifc and stereoselective, propose a reaction that is stereospecific but NOT stereoselective
Must use heating method and provide complete list of items used as well as the variables. A hypothesis, aim and title will be greatly appreciated.
a freshman is currently enjoying the arts studio program she is pursuing at a well-known university. in her free time
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