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Calculate the pH in a 0.048M solution of formaticacid (HCOOH)
Devising a Reduction Potential Table, Why was it necessary to do Step 3 of the Laboratory Investigations. For the cell wilt the largest cell potential, place the metal of one half-cell in the solution of the other half-cell.)
identify the stronger acid in each of the following pairs a)NH4^+ or H3O^+ b)H2SO4 or HCN c)H2O or H2CO3
In ploystyrene beaker , we mixed 30 mL of 0.1 M sodium acetate and 15 mL of 0.1 M hydrocloric acid. we measured the PH ( in PH meter ) it was 4.86 and then we added 5 mL of 0.1 M NaOH to this buffer.
Standard Electrode Potential (E), a) Write the equation for the cell reaction and indicate cathode and anode half-cells for the electrochemical cell formed from Mg/Mg2+ half-cell and In/In3+ half-cell.
If you have 25 mL of a standard 1 mg/mL CaCO3 solution, how many mLs of the 0.010 M solution do you expect to use in the titration
particular sample of pure iron requires 0.595 kj of energy to raise its temperature from 25oc to 45oc. the specific
consider the equilibrium?n2g o2g 2nogat a certain temperature the equilibrium constant for the reaction is 0.0255.
How many liters of water vapor are produced when 26.1g of NH4NO3 decomposes and how many grams of NH4NO3 are needed to produce 18.0L of oxygen?
A flask containing 450 mL of 0.47 M H2SO4 was accidentally knocked to the floor. How many grams of NaHCO3 do you need to put on the spill to neutralize the acid according to the following equation?
how much heat is required to warm 219 g of ice from -45.7degc to 0.0degc melt the ice warm the water from 0.0degc to
calculate the number of kilograms of helium needed to inflate a balloon to a volume of 100000 l at an atmospheric
200.0 mL flask containing 1.03 mg and 0.56 mg O2 I have a 15 * C to calculate the partial pressures of oxygen and helium in a flask. which is the total pressure
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