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Which two of the subsequent compounds would you mix to make a buffer of pH 7.45: H3PO4 FM 98.00, NaH2PO4 (FM 119.98), Na2HPO4 (FM 141.96), and Na3PO4 (FM 163.94)? (b) If you required to prepare 1.00 L of buffer with a total phosphate concentration of 0.050 0 M, Explain how many grams of each of the two selected compounds would you mix together?
Based on the fact that the alloy has an HCP crystal structure, what general processing technique would you consider for the processing of the turbine blade? Explain your choice.
The wavelength is 6100 Angstrom and the stopping potential is 0.5(eV). calculate the Photon Energy(eV) and Work function(eV).
While 14 g of baking soda (NaHCO3) is added to 550.0 mL of vinegar (an aqueous solution of CH3COOH at 5% concentration by mass), the vinegar neutralizes the baking soda as well as converts it to CO2 gas
for the solvents below with their value for kb in parenthesis. if a solute is added to each of the solvents to a 1.0 m
Calculate the maximum mass of Be(s) (in grams) that can be deposited from BeCl2(l) melt by a current of 5.0 A that flows for 1.0 hour
Arrange the following aqueous solutions in order of increasing freezing point. 0.10m glucose, 0.10m BaCl2, 0.20m NaCl, and 0.20m Na2SO4
A 19.5 mL portion of an HBr solution of unknown strength is diluted to exactly 232 mL. If 120.4 mL of this diluted solution requires 77.8 mL of 0.36 M NaOH to achieve complete neutralization, what was the strength of the original HBr solution
must be added to obtain iced tea at 11.5 C? The specific heat of the tea is 4.18 J/(g*C), and delta H for ice is +6.01 KJ/mol.
A sprinter set a high school record in track and field, running 200.0 m in 21.4 s. What is the average speed of the sprinter in kilometers per hour
Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
Draw the product formed by the reaction of potassium t-butoxide with (1S,2S)-1-bromo-2-methyl-1-phenylbutane
Why do you suppose that the dehydration of cyclohexanol to cyclohexene has been the tradiotional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene?
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