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Calculate the equilibrium concentration of Ni2+ during the titration of 50.00 ml of a 0.0250 M NI2+ solution buffered to a constant pH of 6.0 following the addition of
a. 62.50 ml of 0.0200 M EDTA solution
b. 70.00 ml of 0.0200 M EDTA solution
A mixture of twenty five grams of potassium nitrate(KNO3) and two grams of CuSO4*5H20 with 11.5 grams of water at 100 degree celcius temperature, 15 g ramsof water are mixed.
explain how the leaving group leaves and the nucleophile attacks the carbon? What is an example explanation and what do I include in the explanation?
reaction flask and allowedd to come to equilibrium at 250 C: PCL5--> PCl3 +Cl2 if the amount og chlorine in the equilibrium mixture is 0.470mol, calculate (a) the euilibrium concentration of each gas, (b) Kc, (c) the fraction of PCl5 dissociated.
Which of the following can be the product of a neutralization reaction?
If, in a certain experiment, over a specific time period, 0.0035 mol PH3 is consumed in a 2.0 L container during each second of reaction, what are the rates of production of P4 and H2 in this experiment?
what are the oxidation states of manganese? i need the procedures and safety precautions taken when doing this
What is the percent change in the volume of a balloon if the air inside it is cooled from 67C to 47C?
Equilibrium concentration for N2O4=2NO2 is 4.6*10-3. the mixture contains 8.0*-2, what is the equilibrium of N2O4?
Calculate the number of moles in each of the following: a) 85.2 g of Ni, b) 144 g of K, c) 6.4 g of H2O, d) 308 g of BaSO4, e) 252.8 g of fructose C6H12O6
How much heat (in kJ ) is required to warm 12.0 grams of ice, initially at -12.0 Celsius, to steam at 112.0 Celsius? The heat capacity of ice is 2.09 J/g*Celsius and that of steam is 2.01 J/g*Celsius?
one can safely assume that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and
In basic solution CrO42- oxidizes HSnO2- to HSnO3- and is reduced to CrO2-. Write the balanced net ionic equation for this reaction. How many OH- are there in the balanced equation
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