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Problem- What is the concentration of ammonia in a solution if 22.23 ml of 0.1145 M HCl is needed to titrate to the equivalence point of a 100.00 ml sample of the solution?
Please explain how you came up with answer I really want to understand
Derive ( in Cartesian coordinates) the quantum mechanical operators for the three components of angular momentum starting from the classical definition of angular momentum, l = r × p. Show that any two of the components do not mutually commute, an..
the densities of three solutions with known concentrations 20 50 and 70 and one unknown solution were determined. if
using the equation for the line of best-fit below y1.544x 0.104 r20.9926determine the molar concentration of an
Use Coulomb's law, F = kq1 Q2 /d^2, to calculate the electric force on an electron (Q = - 1.6 \times 10^- 19C exerted by a single proton if the particles are 0.53 \times 10^ - 10m apart.
Phosphorous acid, H3PO3(aq) is a diprotic oxyacid that is an significant compound in industry and agriculture. Compute the pH for each of the subsequent points in the titration of 50.0mL of a 3.0 M H3PO3(aq) with 3.0 M KOH(aq).
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed to prepare 1.7 L of a solution that is 97 ppm in KNO3?
If 55.0 mL of ethanol ) initially at 8.0C is mixed with 55.0 ml of water (density = 1.0g/mL) initially at 28.6C in an insulated beaker, and assuming that no heat is lost, what is the final temperature of the mixture
What would be the concentrations of acetic acid and sodium acetate in this solution. Would we expect this solution to be a buffer
a gas mixture contains one-third methane by volume and the balance oxygen at 350 deg c and 3 bar. calculate the
Write the electron configuration for zirconium. How many electrons are in each energy level
What is the expected Nernst responce, in mV, for each decade change in the gydrogen ion concentration for a glass electrode
A solution was made by dissolving 5.38 g of a non-volatile solute in 137.7 g of acetone. The solution boiled 1.77 ºC above the boiling point of acetone. Determine the molar mass in g/mol of the solute. Kb = 1.71 ºC/molal.
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