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The formation constant Kf for the complex ion Zn(OH)42- is 2.8 1015. What is the concentration of zinc ion, Zn2+, in a solution that is initially 0.50 M in Zn(OH)42-
Using the reactions below, write out the chemical expression for the fraction of all species that would be [Sn2+] (note this form does not need to be solved for K values, just the compounds themselves).
What mass of a copper ore consisting of 46% copper(I) sulfide must be mined in order to produce 1.0 x 10^3 kg (1.0 metric ton) of copper metal?
a molal concentration of 6.25 m has a density of 1.300 g/mL. What is the molar concentration of this solution?
A compound made up of only phosphorus and chlorine contains 77.45% chlorine by weight. What is the electron domain geometry of the central atom of this substance?
Fears of radiation exposure from normal use of such detectors are largely unfounded. Identify reasons why ^241Am smoke detectors are perfectly safe.
Consider the four polysaccharides amylose, spartylose tarhylose and ranylose. Amylose is the unbranched polymer of a-(1Ã 4) linked glucose molecules found in starch, while spartylose, tarhylose and a Blue Devylosea
How many grams of sodium azide are needed to provide sufficient nitrogen gas to fill a 35.0x35.0x25.0 cm bag to a pressure of 1.20 atm at 26 degress C.
Calculate (a) the kilograms of water per minute needed to remove the sulfur dioxide assuming that the exit water is in equilibrium with the entering gas and (b) the ratio of the water stream to the gas stream. The Henry's law constant for sulfur d..
Calculate the pH for the titration of 20mL of .75M formic acid (HCOOH) Ka(HCOOH) = 1.8e-4, with .2M KOH. a) Before any acid is added
Using paper chromatography, a student separated a dye spot into three components, A, B, and C. The components traveled 4.2 cm, 5.7 cm, and 8.0 cm,. respectively from their initial position on the strip
Draw a formula for the lowest molecular weight compound that contains C, H, and possibly O, N or S, is a chiral compound, contains ONLY one functional group, and is a sulfide.
what is the final temperature of A metal sample weighing 34.526 g was heated to 98.0 degrees Celcius then quickly transferred into a styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27.0 degrees celcius.
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