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A solution has [Al3+]=8.5×10^-2M and HC2H3O2=[1.10] . What is the maximum quantity of NaC2H3O2 that can be added to 200.0 mL of this solution before precipitation of begins?
The values of the specific rotation, [alpha]20D, for the alpha and beta anomers of D-galactose are 150.7 and 52.8 degrees, respectively. A mixture that is 20% of alpha-D-galactose and 80% beta-D-galactose is dissolved in water at 20 degrees C.
the difference between nucleophilic centers, nucleophiles, electrophilic centers, and electrophiles. Lastly, tell me how to identify all four of these in a given molecule.
How many milliliters of 0.110 are needed to react completely with 25.0 of 0.160 ? How many grams of will be formed?
A gas has a volume of 10 L at 0 degrees C. What is the final temperature of the gas in C if its volume increases to 27 L? Assume that amount of the gas and its pressure remain unchanged.
a solution of aqueous sodium hydroxide (NaOH) was prepared as follows: 15.0g NaOH was dissolved in sufficient deionized H2O to yield 250ml of aqueous NaOH solution. what volume of the resulting NaOH solution contains 0.100 mol NaOH
A proton in a linear accelerator has a de Broglie wavelength of 143 pm. What is the speed of the proton?
Two volatile liquids (A and B) form an ideal mixture at 300.0K which just begins to boil at a pressure of 0.3000 atm. The vapor pressure of pure component A is 0.5000 atm and the vapor pressure of pure component B is 0.2000 atm
How many grams of oxygen gas (O2) will it take to oxidize 1 pound of iron metal? Make sure to show the redox reaction and all work.
The latent heat of fusion for sodium is 2.6kJ/mol. How much heat is needed to melt 46g of sodium at its melting point of 98 degree Celcius?
If you dilute 33.4 mL of a 3.5 M solution to make 244.0 mL of solution, what is the molarity of the dilute solution.
HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.087 M in NaClO?
How many grams of water can be cooled from 45c to 15c by the evaporation of 65g of water? (The heat of vaporization of water in this temperature range is 2.4kj/g. The specific heat of water is 4.18j/k*mol .)
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