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A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calculate the mass of pure acetic acid in 140mL of this solution at 20C.
Predict the intensities of the peaks at masses 57 and 114 in the spectrum of 2,2,3,3-tetramethylbutane. Support your answer with its corresponding fragmentation reaction.
A 0.113 g sample of a gas exerts a pressure of 780 torr in a 50.4 mL container at 23?C.What is the molar mass of this gas?
What product will be obtained if you evaporated the water from NaOH extracts prior
The first-order decomposition of N2O5 proceeds as follows: 2 N2O5 (g) → 4 NO2 (g) + O2
Enough of a monoprotic acid is dissolved in water to produce a 1.54 M solution. The pH of the resulting solution is 2.95. Calculate the Ka for the acid.
How long will it take for 100% pearlite to form at 650 °C and at 600 °C? Estimate the hardness values resulting from these transformations.
Coniine, a toxic substance isolated from a poison hemlock, contains only carbon, hydrogen, and nitrogen. Combustion analysis if a 5.024mg sample yields 13.90mg of CO2 and 6.048mg of H2O. What is the empirical formula for Coniine
Consider the following balanced equation: 2 N2O5 → 4 NO2 + O2. If a 5.00 g sample of N2O5 undergoes this reaction, how many grams of O2 will also be formed?
how many milliliters of concentrated hydrochloric acid solution 36.0 hcl by mass density 1.18 gmol are required to
In 1934, Edward A. Doisy of Washington Univeristy extracted 1361 kg og hog ovaries to isolate a few milligrams of a potent female hormone. Doisy burned 5.00 mg of this precious sample in oxygen and found that 14.54 mg of CO2 and 3.97 mg of H2O wer..
if 32.78 ml of sodium hydroxide solution is needed to neutralize 20.00 ml of 0.2500 m of h2so4aq determine the
Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 10.0 g sample of t-butanol is measured as 24.59 degrees C, how many grams of water are present in the sample
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