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Question: What is the hydronium ion concentration and the pH of a solution formed when 30mL of 0.30M HNO3 is titrated with 43mL of 0.20M NaOH at 25C?
A chemistry student needs 80.0mL of acetone for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of acetone is 0.790g cm^-3.
determine the enthalpy change if the heat released when 24.9 grams of potassium k reacts with excess h2o water is 124
Brominated biphenyls (PBB) is created through an electrophilic aromatic bromization out of the hydrocarbon biphenyl.
with a solution in them connected by a liquid salt bridge junction filled with KNO3. In one solution you have a graphite electrode that is connected with a wire to a copper electrode in the second soution. The soution in contact with the graphite ..
The density of silver is 10.5 g/mL. What is the mass (in grams) of a piece of silver with a volume of 23.6 mL
What is the pH of a solution of 0.700 M K2HO4, potassium hydrogen phosphate. What is the pH of a solution of 0.450 M KH2PO4, potassium dihydrogen phosphate
1. A corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint, and 29.32 mL of 0.01 M EDTA solution for a calcium endpoint.
Determine the number of grams of sodium acetate and the amounts in mLs of 6.00M acetic acid that you would need to make 50.00mL of a sodium acetate/acetic acid buffer solution at the pH equal to 5.00 in order to make a final concentration of 0.05M..
Why does the enolate of acetone attack the carbonyl of cinnamaldehyde rather than the carbonly of another acetone molecule
the equilibrium constant kc for the following reaction is 2.18x106 at 730degrees c.h2g br2g 2 hbrgstarting with 3.00
refer to the given equation as 4NH3(g) + 7O2(g) = 4NO2(g) + 6H2O(g) How many moles of ammonia will be required to produce 13.8 mol of water.
What volume of the solution must be used to make 800 mL of 0.15 M. potassium permangate from a 0.20 M. potassium stock solution.
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