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what masses of NaCl and water are needed to prepare 1000g of a solution that is 0.90% by mass?
Provide a chemical equation for a reaction that could be used to form each ether, and provide reaction conditions that can be used to remove each protecting group.
Consider the voltaic cell , which is based on the following cell reaction. Zn(s) + Cu2+(aq) Zn2+(aq) +Cu(s) Under standard conditions
Which of these substances would have the strongest cohesive forces in combination with the greatest molecular mobility?
arrange the folloeing eluents in the increasing order of their euting power; place the least powerful eluent first; dichloromethane, pentane,water, and methonol.
the following set of data was obtained by the method of initial rates for the reaction: 2 HgCl(aq) +C2O42-(aq)-> 2Cl-(aq) + 2 CO2(g) + Hg2Cl2(s) what is te rate law for the reaction
compute the partition coefficient for the compound between C 6 H 14 and H 2 O (Kphexane/water).
Following the equation for the combustion of 2C3H6O+8O2----->6CO2+6H2O+853.6 kcal. How much heat will be given off if 0.48 mol of acetone is burned completely?
Deduce the structure of the molecule that is composed of carbon, hydrogen and oxygen with a MS molecular mass peak value of 100 and molecular peak values of m/z = 29, 43, 57, 71, 100
scuba divers has a volume of 8.0 L and a pressure of 140 atm at 20 degrees C. What is the volume of air in the tank in liters at STP?
The figure shows (R,R)-1-ethyl-2-methylcyclohexane in one of its chair conformations. Draw the same compound in its other chair conformation. Follow this procedure.
A second sample of this acid weighing 2.00 grams is added to the titrated sample and the pH is 4.32. Calculate the molar mass of the unknown acid and determine the value of Ka for this acid.
If 8.32 grams of methanol, CH3OH, are dissolved in 10.3 grams of water, what is the mole fraction of methanol in the solution?
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