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Calculate pH of a solution of L-glutamic acid in which the ionic species with net charge=-1 is 5 times greater than that of the isoelectric structure. (Refer to pKa table)
how many moles of calcium ions are in 1L of a 2.0M solution of CaCl2
A sample of nitrogen gas at 298 k And 745 torr has a volume of 37.42 L. what volume will it occupy if the pressure is increaaed to 119kpA at 345 K
Please explain, in deatail, how you would go about experimentaly determining the mechanism of the following reaction
What is the molar mass of the following: a) O2, b) KH2PO4, c) Fe(ClO4)3, d) C4H8O4, e)Ga2(CO3)3, f) KBrO4. Please use significant figures.
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
"Alpha" iron metal crystallizes with the body-centered cubic unit cell. If the unit cell is 287 pm on each side, what is the density of alpha iron?
A sample of argon has a volume of 205 cm3 when its temperature is -44.0 oC and its pressure is 712 mm of Hg. What would be the volume of the argon at STP?
In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction..
Calculate (a) the molar concentration of the ammonia and (b) the mass/ mass percent concentration of ammonia (17.04 g/mol), given a solution density of 0.983 g/mL. HCl + NH3 ---> NH4Cl(aq)
The formula of a complex formed by a reaction such as M + nX = MXn can be determined by the method of continuous variations. The absorbances of a series of solutions of varying composition are measured at the wavelength at which the complex shows ..
A Mercury barometer reads 743.5 mmHg. If the density of mercury is 13.523 g/cm^3 at 80.0 degrees C, what would be the height of a water column be if the density of water is 0.972g/cm^3 at 80.0 degrees C
The sample of 19.2g of KCl is dissolved into a solution with a total volume of 242.0 mL. what is the molarity of the solution
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