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A 0.4196 grams XHX (mole fraction of HX) solution of an acid, HX, has a density =1.141 g/mL, and the molar mass of the acid =28.22 g/mol. find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H2O.
when a current of 0.156A is passed through a solution of lead(II) nitrate, lead is deposited at the cathode. How long will it take to deposit 0.10g of lead?
what is the final temperature of the mixture? Use 1.00g/mL as the density of water.
A gaseous compound is 78.14 percent boron and 21 86 percent hydrogen . At 27 degrees celcius, 74.3 ml of gas exerted a pressure of 1.12 atm.
Would the following rocedural errors causes an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case
For the oxidation-reduction reaction equation given here, 2Na + S --> Na2S, indicate how many electrons are transferred in the formation of one formula unit of product.
An oligomeric protein has a molecular weight of 168000. A 420 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene (Sanger\'s reagent) until the reaction was complete
Suppose a nearby storm passage causes the wind speed in the town to suddenly increase to 10.0m/s. What is the carbon monoxide concentration one hour later?
If you predicted that no ionic compound would form from the reaction in part e, what minimum amount of AX(s) lattice energy might lead to compound formation
Select a phospholipid and use it to illustrate the action of phospholipase A2 and discuss the structural ramifications of this reaction on the membrane.
In the intermembrane space, attached to the inner mitochondrial membrane. C. In the intermembrane space, attached to the outer mitochondrial membrane D. On the cytosolic side of the outer mitochondrial membrane E. Freely diffusible throughout the ..
Pick any two normalized eigenfunctions of the particle in the box Hamiltonian. Show by direct integration that these functions are orthogonal functions.
Calculate the weight of KMnO 4 contained in 2 liters of a 0.15N (not M) solution.
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