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500.0mL of 0.130 M NaOH is added to 535mL of 0.250 M weak acid ka= 8.22x10-5. Explain what is the pH of the resulting buffer?HA(aq)+ OH-(aq)---> H2O(l)+A-(aq)
Explain what is the maximum amount of product that can be formed from 3CaCO3 + 2 FePO4--->Ca3(PO4)2+Fe2(Co3)3
What is the animal's initial radiation exposure in Curies. If all of the energy from the emitted alpha particles is absorbed by the animal's tissues, and if the energy of each emission is 7.77*10-12
How much ammonia would be spent to remove the NOx generated, expressed in kg of of NH3 per 100 kg of fuel?
Calculate the equilibrium concentrationsfor this dissolution reaction if one mole of the solid is placed in 1.00 L of water (assume adding the solute does not change the volume of the solution
The pH of a solution is 3.70. What is the (H+)? What are (OH-) and pOH. The Ka for Hypochlorus acid, HCIO, is 7.2 x 10-4 at 25 oC. What is pKa. Write the equation for the reaction to which Ka applies.
an ecobotanist separates the components of a tropical bark extract by chromatography. she discovers a large proportion
4HCl(aq) + O2(g)--->2H2O(l) + 2Cl2(g) how many molecules of Cl2 would be formed from the reaction mixture that produces the greatest amount of particles?
An iron ore sample is found to be 35.00% Fe by mass. How many grams of ore are needed to obtain 454.0 grams of Fe
What is the percent yield of ammonia when 150.0 g of nitrogen reacts with 32.1 g of hydrogen if the actual yield is 174 grams?
a gas has a volume of 50.0 cm3 at a temperature of -73acircdegc. what volume would the gas occupy at a temperature of
What is the molar concentration of a solution containing 45.6 grams of NaCl added to 2.00 liters of water at 20 degrees Celsius? Density of water at 20 degrees Celsius = 0.998 g/mL
The heat capacity of liquid water is 4.18 J/g·°C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67°C into 1.00 g of steam at 100°C
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