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Calculate the Pb2+ at each of the following points in the titration of 20.00 mL of 0.0200M Pb2+ by 0.010 M EDTA at pH 3.0 (log Kf for Pb-EDTA = 18.04):
(a) 0 mL, (b) Ve, (c) 10.0 mL, (d) 50.0 mL
A substance has a solubility of 350 ppm. How many grams of the substance are present in 1.0 L of a saturated solution.
What is the OH- in a solution that has a pH of 4.92? Give your answer to 3 significant figures using E-notation (i.e., 1 number before and 2 after the decimal point)
For a zero order chemical reaction, the A. half life period is directly proportion to the initial concentration of the reac-tants. B. plot of products concentration with time is a straight line through the origin
Explain The pentose phosphate pathway is another possible direction for G-6-P. What are the two major products of the pentose phosphate pathway
How many liters of N2 gas result at 25.0oC and 1.10 atm pressure when 125 grams of NaN3 react
Draw the structures of propene (propylene) and tetrafluoroethene. Draw the basic repeating units when each of these compounds polymerizes. Describe some practical uses of each polymer.
Determine What is the ? Ssys for the process?(if it is given the specific heat capacity for ethanol is 2.42 J/g K.) express your answer in units of J/K
Determine how to make the following dilutions for aqueous Cu(NO3)2 from 1.0M stock : 0.50M. The 3 and 2 are both in subscript.
What masses of NaCl and water are needed to prepare 1000g of a solution that is 0.90% by mass
Using the quantities given in the Procedure, calculate the theoretical yields for the mononitration of (a) acetanilide and (b) methyl benzoate. Acetanilide = quantity is .5 g and molar mass 135.17 g/mol. methyl benzoate= quantity is .55g. and mola..
How many pounds of coal (of heating value of 10,000 BTUs per pound) would be needed to provide the 100 quadrillion BTUs if the efficiency of conversion to electricity was 35%? What fraction of the US coal reserves (estimated at 250 billion short t..
The elements silver, molybdenum, and sulfur combine to form Ag2MoS4. What is the maximum mass of Ag2MoS4 that can be obtained if 8.63 g of silver
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