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A 10mL solution of .3M NH3 is titrated with a .1M solution of HCL. Compute the pH after the subsequent additions of the HCL solution. a) 0mL b) 10mL c) 20mL d) 30mL. Explain how to set up the chemical equation for the initial reaction when you are supposed to start out with a conjugate base?
A 0.440 g sample of butyric acid (an organic acid consisting of C, H, and O atoms) is combusted in excess oxygen, yielding 0.882 g CO2 and 0.360 g H2O.
This precipitate was removed and the excess hydrazine was found to be equivalent to 75 mL of 2.50 X 10-2 mol/L acidified potassium iodate(V)
You buy a bottle of 500 mg vitamin C tablets and determine by titration that, on average, each table contains 7.00 x 10-4 moles of ascorbic acid (HC6H7O6). The molar mass of ascorbic acid is 176.12 g/mol. Calculate the average mass percent ascorbi..
Which of the following substances form molecular crystals in solid form?
Write the balanced 1) molecular, 2) total ionic, 3) net ionic reactions, and identify the spectator ions for the following: sodium sulfate(aq) + strontium nitrate(aq) -->
A cylinder of compressed gas rolls off a boat and falls to the bottom of a lake. Eventually it rusts and the gas bubbles to the surface. A chemist collects a sample of the gas with the idea of trying to identify the gas.
The overall reaction is CH3CHO ---> CH4 + CO + C2H (small traces of ethane) Determine the rate law for each step if that step was the rate-determining step.
a solution is prepared by dissolving 4.21g of a nonelectrolyte in 50.0 g of water. if the boiling point increases by
Calculate the number of moles of copper oxidized and moles of electrons that passed through the cell. Calculate the total charge (coulombs) that passed through the cell.
Barium chromate dissolved upon treatment with nitric acid forming an orange solution. Write a net ionic equation to represent the overall reaction that occurs.
the mass of iron produced by the reaction of 7.00 kg of fe2o3 and 3.00 kg of co is 3.55 kg. what is the percent yield?
A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1356 M solution of NaOH at 25 C.
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