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What volume of 0.08892M HNO3 is required to react completely with 0.2352 g of potassium hydrogen phosphate?
2HNO3(aq) + K2HPO4(aq) ? H2PO4(aq) + 2KNO3(aq)
What volume of 0.25 M HNO3 (aq) reacts with 4.8 ml of 0.150 M Na2CO3 (aq) when the two solutions are mixed?please show work step by step.
1. Using a 600.0 mL volumetric flask, make a 0.5 M solution of NaOH. 2. Using a 10.00 mL graduated cylinder, place 10.00 mL of vinegar in a clean Erlenmeyer flask. Record the precise volume of the vinegar used. Add 20.00 mL of distilled water to t..
Why does kininogen bind to glycosaminoglycans easily and why is the binding of kininogen less sensitive to physiological pH changes - How is the binding of HPRG to heparin dependent on pH? Give structural reasons for the binding dependence.
What are the formal charges on all of the atoms of carbonate. How many resonance structures are there
The freezing point of ethanol (C2H5OH) is -114.6 C. The molal freezing point depression constant for ethanol is 2.00C/m. What is the freezing point (C) of a solution prepared by dissolving 50.0g of glycerin (CH3H8O3, a nonelectrolyte) in 200.0g of..
What is the molarity of a solution prepared by dissolving 13.1 g of glucose (of MW 180 amu) in 217 mL of solution?
A substance AxBy crystallizes in FCC lattice in which 'A' occupy each corner of the cube and 'B' occupy the center of each face of the cube. What is AxBy? Please explain.
A 32.50-g sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 46.00mL. The solid and toluene together weigh 58.72g. The density of toluene..
consider the expansion of one mol of a monoatomic gas initially at 300 k and 10 atm. the expansion to a final pressure
protein used as standards on an SDS- polyacrylamide gel are 0.80 and 0.41, respectively. What is the apparent mass of a protein having a mobility of 0.62 on this gel?
A gaseous mixture of O2 and Kr has a density of 1.102 g/L at 420 torr and 300. K. What is the mole percent O2 in the mixture?
at constant external pressure 1.2atm the temperature of 3.25 mol of ideal gas increased from 250k to 305k.calculate the
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