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How many milliliters of 69 percent (w/w) HNO3 must you dilute with water to prepare a total volume of 100.0 mL of 7.00 M HNO3? The specific gravity of the concentrated solution is 1.42.
Complete and balance this equation (show all work clearly, particularly each 1/2 reaction). What is the reducing or oxidizing agents - label each
Formic acid (HCOOH) is secreted by ants. Calculate [H3O+] for a 7.40E-3 M aqueous solution of formic acid (Ka = 1.80E-4).
What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous formic acid requires
Give the structure of the ester product in the reaction of acetic acid, CH3CO2H, with isotopically labeled CH318OH and catalytic sulfuric acid.
What will be the products of the electrolysis of an aqueous solution of silver fluoride (AgF). (The electrodes themselves are platinum.)
Spica has a surface temperture of 23kK (2.3 x 10^4 K). At what wavelength does Spica emit the maximum intensity of light?
The difference between voltages measured when 71.1 mL and 22.1 mL of AgNO3 have been added is 0.3929 V. Using this voltage difference and your answers to questions (a), (b), and (c), calculate the numerical value of the quotient Ksp,AgCl/Ksp,AgI.
Find delta heat formation of butane. C4H10 + 13/2 O2 ---> 4 CO2 + 5 H2O. Delta H comb= -2881.9 Delta Heat formation of CO2 = -393.5kJ/mol Delta Heat formation of H2O = -241.8kJ/mol What is the kJ
Outline the steps necessary to properly prepare 100ml of TE buffer. Include the amounts of Tris-base and EDTA, and all steps necessary to adjust the pH, including when you add what bolumes of water.
If the copper is drawn into wire whose diameter is 7.50 , how many feet of copper can be obtained from the ingot? The density of copper is 8.94
consider a stone column 3.00 ft in diameter and 10.00 ft high. What is is mass in pounds if its density is 3.50 g/mL.
At 50 C, the solubility of silver chloride, AgCl is 5.2 x 10^-4 g/100mL. Calculate the Ksp at this temperature.
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