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Tartaric acid is the white, powdery substance that coats sour candies such as Sour Patch Kids. Combustion analysis of a 12.01- sample of tartaric acid-which contains only carbon, hydrogen, and oxygen-produced 14.08 and 4.32.
What is the change in total pressure within the chamber following the reaction? Assume a constant temperature throughout the process.
A solution is prepared by dissolving 267 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C
a solution of ammonia and water contains 3.30times1025 water molecules and 7.00times1024 ammonia molecules. how many
A titration of sulfates in a 5.00 mL sample of drinking water with 10.0 mM (millimolar) of barium acetate as the titrant is carried out. A microflow pump was used instead of a buret
Find the vapor pressure of a solution that contains 218 g glucose in 460.0 mL of water at 30 degrees Celcius.
what mass of magnesium sulfate is dissolved in 400.ml of a 0.800 m solution of magnesium sulfate
What molar ratio of acetic acid to sodium acetate is required to create a buffer solution having a pH of 4.84 at 25°C
a 93.7 g 5.20 mole sample of water is heated to exactly 94.4 celsius. it is then added to 90.1 g 5.00 mole of water at
When a 2.691 g sample of the unknown organic compound is vaporized at 90.0(degrees)C and 708. mmHg it is found to occupy a volume of 1.00L.
showing electron flow with arrows, for the acid-catalyzed hydrolysis of ethyl acetate to acetic acid and ethanol- the reverse of a Fischer esterification reaction.
a mass of 48.5 g of a certain substanse can be disolved in 29.1 cm3 of water at 20 degrees celcius. Calculate the solubility of this substance per gram of water at the same temperature.
The molar mass of the substance was found to be about 300g/mol. what is the molecular formula of the unknown powder? was the substance cocaine?
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