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The freezing point of t-butanol is 25.50°C and Kf is 9.1°C·kg/mol. Usually t-butanol absorbs water on exposure to air. If the freezing point of a 12.0 g sample of t-butanol is 24.59°C, how many grams of water are present in the sample?
a solution is prepared by adding enough water to 387 g of CsCl to form 1 liter of solution. What is the mass of the solution? the density of the solution is 1.384 g/mL.
Alkenes can be converted to alcohols by reaction with mercuric acetate to form a ?-hydroxyalkylmercury(II) acetate compound, a reaction called oxymercuration. Subsequent reduction with NaBH4 reduces the C-Hg bond to a C-H bond
Indicate the reaction conditions you would employ to accomplish the following: Conversion of tert-butyl chloride to 2-methylpropene to maximize the yield of the elimination product over the substitution product.
A chemistry student needs to weigh out exactly 1.19 mol of Mg(HCO3)2 to perform a laboratory experiment. How many grams should he weigh out?
The water level in the Carbon dioxide collection cylinder is higher than the water(H2O) level outside the cylinder.Is the wet carbon dioxide gas pressure greater or less than atmospheric pressure.
The total volume of hydrogen needed to fill the Hindenberg was 2.0x10^8 L at 1.00 atm and 25 C. How many kilojoules of energy were evolved when it burned?
Suppose a piece of silver jewlery contains 5.00 * 10^22 of silver. how many dozens of silver atoms are in the piece of jewlery.
NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (H2C4H4O6, fw 150.09) per 100 mL of wine.
The water level in a graduated cylinder initially at 210 rises to 277 after a piece of lead is submerged. What is the mass in grams of the lead.
what is this equation and why is it central to the global warming theory: SO2(g) + H2O(l) H2SO3
How many grams of magnesium metal will react completely with 4.8 liters of 5.0 M HCl?
Use the masses of carbon dioxide, rm CO_2, and water, rm H_2O, to determine the empirical formula of the alkane component.
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