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A 0.5071-g sample of an unknown monoprotic acid is dissolved in water and titrated with standardized sodium hydroxide. The equivalence point in the titration is reached after the addition of 25.51 mL of 0.2454 M sodium hydroxide to the sample of the unknown acid. Calculate the molar mass of the acid.
4 hno3aq cus gt cuno32aq 2 h2ol 2 no2gconsidering which elements are being oxidized and reduced determine how many
Assume the specific heat and density of the solution after mixing are the same as those of pure water and that the volumes are additive.
the human eye contains a molecule called 11-cis-retinal that changes conformation when struck with light of sufficient
What are some of the reactions in organic chemistry related to maokovnikov?
Marble is composed mainle of calcium carbonate. If 0.750 g of marble react with hydrocloric acid to produce 165 mL of carbon dioxide gas at STP, what is percent of calcium carbonate in the marble sample
Solid CrF3 contains a Cr(III) ion surrounded by six F- ions in an octahedral geometry all at distances of 190 pm. However, MnF3 is in a distorted geometry with Mn-F distances of 179,191, and 209 pm (two of each).
Consider the combustion reaction between 30.0mL of liquid methanol ( density = 0.850 g/mL) and 15.0L of oxygen gas measured at STP. The products of the reaction are CO2 and H2O
Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4.
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose that a can contains a residual amount of gas at a pressure of 755 mmHg and a temperature of 25 OC. What would the pressure ..
identify the oxidizing agent in the reaction mg2hclh2mgcl2 the generation of hydrogen gas in the
The solubility of barium hydroxide in water at 20 degrees Celsius is 1.85g/100 water. a solution is made up of 256 mg in 35.0 g of water. is the solution saturated. if not . how much more barium hydroxide needs to be added to make a saturated solu..
Question- In the Synthesis of Benzocaine Lab, why is it important to use absolute (100%) ethanol instead of the commonly used 95% ethanol
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