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Question- Calculate the pH of a solution prepared by dissolving 0.37 mol of formic acid (HCO2H) and 0.23 mol of sodium formate (NaCO2H) in water sufficient to yield 1.00 L of solution. The Ka of formic acid is 1.77x104.
Please illustrate work if possible thanks
Give the structure for an isomer of compound A that has a melting point that is appreciably different from that of A yet NMR spectra that are almost identical to those of A. Include wedge/dash bonds.
What is the purpose of grinding the magnesium before introducing it into the reaction flask?
A 6.11g sample of Cu-?Zn alloy reacts with excess aqueous HCl producing 1.26 L of H2(g) at 22.0 ?C and 728 torr. Since only the Zn portion of the alloy reacts, calculate the percent Cu in the alloy.
If you are given a 0.31 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced
succinate dehydrogenase produces approximately 1.5 ATPs for each succinate oxidized. electrons passing down the electron transport system from succinate dehydrogenase pass through all of the following EXCEPT
Calculate the mass of solid need to make the solution and then prepare the solutions. Explain the steps you took in making the solution.
If 10.0 mL of .300 M KOH are required to neautralize 30.0 mL of gastric juice (HCl), what is the molarity of the gastric juice?
Question- The pKb values for the dibasic base B are pKb1 = 2.10 and pKb2 = 7.50. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq).
What is the pH of the resulting solution when 25 mL of 0.10 M NaOH is added to 25 mL of 0.25 M HNO3?
Consider a separation train consisting of two distillation columns which are designed to separate a three componentmixture of benzene, toluene, and xylene into three streams, each rich in one of the species asshown below.
Icebergs in the North Atlantic present hazards to shipping, causing the length of shipping routes to increase by about 30 percent during the iceberg season.
hydrogen iodide hi is formed in an equilibrium reaction when gaseous hydrogen and iodine gas are heated together. if
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