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Use the chemical reactions shown below to answer the following questions. (1 pt) IO3-(aq) + 5 I-(aq) + 6 H+(aq) ? 3 I2 (aq, brown/yellow) + 3 H2O (l) I2 (aq, brown/yellow) + 2 S2O32-(aq) ? 2 I-(aq, colorless) + S4O62- (aq) a. What is the stoichiometric relationship between IO3- and I2? b. What is the stoichiometric relationship between I2 and S2O3 2-? c. What is the stoichiometric relationship between IO3- and S2O32-? d. How will knowing these relationships help you calculate the molarity of the Na2S2O3 solution in Part 1 of this experiment?
The density of germanium is 5.325 g/cm^3 . If you made a 4 nm quantum dot of germanium, how many atoms would it contain? Assume the dot is spherical.
A 20-g mass of argon occupies 15.0 l at a pressure of 25 kpa . find the volume of the argon when the pressure is increased to 530 kpa.
If 124 mL of 9.50 M nitric acid is diluted to 555 mL, what is the concentration of the diluted solution
Explain fructose solution with a concentration f 80mg/ml, but need to take 3.5L of fructose solution with a concentration of 300 mM.
the pH of a saturated solution of a metal hydroxide MOH is 10.85 calculate the Ksp for the compound
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa.
The number of different constitutional isomers that can be drawn for C2H4Br2 is equal to
what volume of hydrogen at STP is produced from the reaction of 50.0g of Mg and the equivalent of 75g of HCl?
If 3.00 moles of ZnS are combined with 4.00 moles of O2 how many moles of ZnO can be produced and how many moles of the excess reactant will be left over?
Acetone, the solvent in some nail polish removers, has a density of 0.791 g/mL. What is the volume of 20.4 g of acetone?
Two liters of a buffered solution are created from .55 M HC3H5O3 (Ka= 1.3 E-4) and .45 M NaC3H5O3. what is the pH of the solution?
What is the percentage yield of SO3 if 22.3 g SO3 are obtained from the reaction of 25.0 g SO2 with an excess of O2.
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