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The Vapor pressure of pure water at 25 Celcius is 23.8 torr. What is the vapor pressure (torr) of water above a solution prepared by disolving 18.0 g of glucose (a nonelectrolyte, MW = 180.og/mol) in 95.0g of water?
A precipitate resulted when the solution was treated with 6M sodium hydroxide. The precipitate dissolved in ammonia, giving a royal blue solution
The equation for the reaction o KHP and NaOH shows ratio 1:1 ratio for the two reactants. Experimentally ,how do you know that base solution that you delivered from the burette had just as many moles as were in the KHPsample that you weighed out i..
You are allowed to treat the washed precipitate with one more reagent. By observing what happens when this one reagent is added you should be able to decide, within seconds, what cation is present in your unknown. What one reagent is added
Given the following value, tell whether the starting material or product is favored at equilibrium. Keq=0.2 Is this a starting material favored or a product favored
In a bad sporangiospores and fungi, are found in bag-like structures. Ascospores are also found in bag-like structures, but are always present in even numbers. Why are these spore types not the same?
Calculate the pH of of a solution prepared by mixing 60.0 mL of 0.160 M HCl with 15.0 mL of water. How much antacid containing 400.0 mg of Mg(OH)2 in 5 mL of water is needed
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream
If 85g of propane C3H8 is completely combusted with oxygyen to form catbon dioxide and water ,how many grams of oxygen are consumed
a flask contains 0.180 mol of liquid bromine br2. determine the number of bromine molecules present in the
consider the following reaction where kp 2.01 at 500 kpcl3g cl2g pcl5gif the three gases are mixed in a rigid
how much 0.500 M Au(NO3)3 solution would you need to prepare to accomplish this? 3) If the price of the base metal is negligible, and the price of gold is $ 1791.05/oz. ( as of the date of this publication), what is the value of the medallion?
give the structure and names of five alkenes having the molecular formula C6H12 that produce hexane on catalytic hydrogenation
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