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Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4. (a) When 11.50 mL of 0.470 M HNO3 have been added. (b) When 65.00 mL of 0.470 M HNO3 have been added.
What is the Na concentration in 3.25M Soduim Sulfate, 1.5M Sodium Carbonate, 0.885 Sodium Bicarbonate
Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral.
The following reaction has equilibrium constant (kc) of 13 at 1700 K. The initial concentration of HI is 1.17 x 10^-3 M, H2 is 3.25 x10^-4 M, and l2 is 3.25 x 10^-4 at 1700k. Calculate Qc and determine which direction the system will travel as it ..
If the volume of ocean water (calculated above) contains 3.7 percent sodium chloride ("salt") by mass and the density of the water is 1.41 g/mL.
What mass of KBr is needed to prepare 325 mL of 0.750M? How many mL of 2.50M KBr is needed to prepare this same solution
How tdo you rotate fischer projections to figure out if they are D/L configurations. I know the difference between D/L but unsure of how to rotate them! Please you examples of D/L-Alanine
What is the final temperature when 150 mL of water at 90,0 C is added to 100.0 mL of water
draw the stuuctural formula of your drug C13 H21 NO3 albuterol. Highlight any regions of your drug that are nonpolar
How many moles of H+ are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above? What is the normality of solution mentioned above? How many H+ ions are present in 1.000 mL of this solution?
The tetrahedral intermediate in the Fischer esterification of formic acid (HCO2H) with 1-butanol has the structure
if 135 g of steam at 100 degrees C and 475 g of ice at 0 degrees C are combined, what is the temperature of the resultant water, assuming that no heat is lost?
A gas containing H2S and CO2 is bubbled through methanol at 4 degrees C. From the bottom of the tank to the top, 80% of the H2S is absorbed by the methanol.
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