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Solution Concentrations... I need help!
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SOLUTION CONCENTRATIONS Introduction To learn how to prepare standard molar solutions and to become acquainted with the principles of colorimetric analysis. The Assignment 1.Solution Preparation 1.For this experiment, you must calculate the mass of solute, nickel (II) nitrate, needed to...
Chemistry concentrations
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A solution contains Sr2+ and Ba2+ ions both at a concentration of 1.25 x 10 ^-3 molL-1. A dilute solution of sulphuric acid is slowly added to this mixture of ions. (Assume any change in volume is insignificant.) Ks (BaSO4) =1x10^-10 Ks (SrSO4)=3x10^-7 b (I) calclute the concentration of...
What will their equilibrium concentrations be?
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At 25 °C, Kc= 0.145 for the following reaction in the solvent CCl4. 2BrCl <------------> Br2+Cl2 If the initial concentrations of Br2 and Cl2 are each 0.0195 M, what will their equilibrium concentrations be? I tried 4 times.. but my answers were all wrong. I have only one chance to get...
Coke Concentrations!
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In a diluted solution of coke(1.00mL of regular coke and diluted to the mark of a 25.00mL flask), the concentration of phosphate is 5.13 x 10^-5 mols/L. What is the concentration of phosphate in an original coke? What is the concentration of phosphoric acid in an original coke?
Concentrations of reactant molecules
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When the concentrations of reactant molecules are increased, The rate of reaction increases. The best explanation for this Feature is the: a. frequency of molecular collisions increases. ... View more questions Search
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