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If 8.61 mL of 0.572 M NaOH are needed to completely react with the acetic acid in 9.38 g of vinegar, what is the percent acetic acid in the vinegar?
Determine the percent yield for the reaction between 45.9g of NaBr and excess chlorine gas to produce 12.8g of NaCl and an unknown quantity of bromine gas.
a gaseous reaction occurs at a constant pressure of 30.0 atm and releases 58.0 kj of heat. before the reaction the
Substance A has a greater molar mass than substance B. Both are nonelectrolytes. if 50 g of substance A are dissolved in 250 g of water in one beaker
4.What is the mole fraction of solute in a 3.66 m aqueous solution? 5.You need to dissolve CaCl2 in water to make a mixture that is 38.0% calcium chloride by mass. If the total mass of the mixture is 832.9 g, what masses of CaCl2 and water should be ..
when a glass rod is rubbed with a silk cloth charges appear on both. a similar phenomenon is observed with many other
Would there be any moisture diffusion in this system? In which direction? Using your sorption isotherm estimate the final moisture contents and water activities of each component?
determine the volume of o2 at stp formed when 50.0 g of kclo3 decomposes according to the following reaction. the molar
Explain why p-nitrophenol is a stronger acid than phenol itself. Would p-methoxyphenol be a stronger or weaker acid than phenol. Explain
Draw the two possible products of the reaction between benzaldehyde and ethylpropylketone
How would you experimentally demonstrate whether the newly entering acetyl group from the breakdown of glucose is or is not the carbon oxidized in the citric acid cycle? Show your work and draw out experiment.
consider a 0.0500m HClO2 is a moderately weak electrolyte acid such that 36% of the molecules dissociate when dissolved in water. calculate the van't hoff factor
Deionized water from a wash bottle was added to wash down the wall of the receiving flask during the titration .how does this affect the reported molar concentration of the sodium thiosulphate solution. explain
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