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A 15.00 ml solution of potassium nitrate (KNO3) was diluted to 125.0 ml and 25.00 ml of this solution were diluted to 1000 ml. The concentration of the final solution is 0.00383 M. Calculate the concentration of the original solution.
Calculate the pH of 0.180 g of potassium biphthalate (pKa = 5.4) in 50.0 mL of water. See example 17.6 in your textbook.
Write the chemical equilibrium equation and calculate the equilibrium constant for lead(ii) fluoride in a solution that is ph 5.00. the ka for hydrofluoric acid is 6.8x10-4 and the ksp for lead fluoride is 3.2x10-8. What is the concentration of le..
calculate the energy of attraction in ev between a cation with a valence of 2 and an anion with a valence of -1 the
Recognize the stable nuclide that is the end product in the natural decay chain that includes the secondary natural radionuclide Bi-214.
Hydrogen gas (H2) and oxygen gas (O2) are the products when an aqueous acidic solution is electrolyzed; each mol of water gives one mol of H2 and half a mol of O2.
If, in practice, 5.0 mL of 16.0 M nitric acid were added to effect the dissolution of the copper, what would be the minimum volume of 4.00 M NaOH required to neutralize the remaining acid and convert all of the Cu2+(aq) to Cu(OH)2(s)
what are the differences between thermosets thermoplastic and
Question- If you have a mass percent of 28 of HCL solution how do you find the density of solution at 20.0C and at 40.0C
since 1 mole of NaOH reacted for each 1 mole of acetic acid in solution, what is the number of moles of acetic acid present in a 10.0 mL sample of vinegar
Explain what is a quantum number? The number of sublevels within each energy level. That is for energy level n=1, there is only 1 sublevel, but for n=4, there are 4 sublevel. Explain how are sublevels indicated
Explain why we take two consequent concurrent reading for calculation in titration. Explain is there any specific reason for that
Locate the following metals on the periodic table: Magnesium, Potassium, and Sodium. Rank these metals in order of their expected from most active to least active.
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