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What ions and/or molecules are present in relatively large proportions in a solution of a weak base NH4OH (aq)?NH4+OH-NH4OHN+H4+H2+H4O-H-
What is the molar concentration of a H3PO3 solution if 150.00 mL of the solution was required to neutralize 75.00 mL of NaOH whose concentration was 1.50 molar?
How many mL of a .1 N solution of NaOH must be added to a 25 mL solution of .1 N HAc to obtain a pH of 9.75? What is the concentration of HAc at this pH
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
Calculate the cell potential for the following reaction as written at 59 degree celsius, given that [zn2+]=0.765 and [fe2+]=0.0120 M.
In Organic synthesis, we are often using drying agents such as sodium sulfate, magnesium sulfate, etc. to dry our solutions. Which of the following is true? (There are more than one correct answers)
if the partial pressure of cyclopropane in the misture is 330 mm Hg and the partial pressure of the ocygen is 1.0 atm, what is the total pressure of the misture in torr?
Use Excel or your favorite spreadsheet program to generate the concentration profiles. You may either estimate the stability parameters using the attached plots or (better) use the attached parameterized forms.
sodium metal reacts violently with water to produce aqueous sodium hydroxide and hydrogen gas. calculate the enthalpy change for this reaction.
Acetylene gas (C2H2) is produced as a result of the reaction CaC2(s) + 2 H2O(l) → C2H2(g) + Ca(OH)2(aq).
When the following deuterium-labled isomer undergoes elimination, the reaction yields only trans-2-butene and cis-2-butene-2-d.
Find the molarity of a Ca(OH)2 solution,given that 388 mL of it is neutralized in a titration by 117 mL of 0.0058 M HNO3.
A testing facility found that 8.35*10^23 molecules of carbon dioxide were produced when a sample of octane was burned in air. If this combustion process is known to produce an 86.7% yield, how many grams of octane were in the sample?
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