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A solution contains 0.06054 M H3PO4 and 0.0386 M NaH2PO4. What volume of 0.05031 M NaOH is required to titrate 10.00 mL of this solution to the first end point?
Which of the following is the strongest oxidizing agent and which one is the weakest in acidic solution: Br2, H2O2, Zn, Cr2O7^2-
There are 0.30 mol SrCl2 in every liter of solution. Calculate the number of moles of SrCl2 that were added. What is the limiting reactant?
A 184-mg sample of Na2CO3 is dissolved in H2O to give 3.00L of solution. What is the concentration of Na+ in parts per million (ppm)?
What NaCl concentration results when 219 mL of a 0.740 M NaCl solution is mixed with 492 mL of a 0.350 M NaCl solution?
calculating the pH of the final solution at equivalance point. Please show a step-by-step process
Siver nitrate is sadded to a solution containing an unknown salt. An off-white colored precipitate forms. Nitric acid is added to the mixture, the precipitate dissolves and a gas is given off. What is the anion present: Cl-, Br-, I-, PO4 3-, SO4 2..
120.0 mL sample of a 0.81 M H2SO4 solution is diluted with enough water to reduce the concentration of the solution to 0.50 M. What is the volume of the diluted H2SO4 solution.
The bonding in BF3 requires formation of hybrid orbitals on boron. If the molecule is oriented in the xy plane, what is the identity of the unfilled p orbital on boron.
Calculate total and individual w, q, ΔU, ΔH, and ΔS of an Otto engine operating on stoichiometric ethanol - oxygen gas mixture, with cylinder volume of 1 l and compression ratio of 18:1.
if 88.6L of H2 measured at STP is allowed to react with 158.3g of P4, what is the limiting reactant?
For each of the following pairs of ions, determine whether a precipitate would form when solutions containing these ions are mixed and write the formulas of any precipitates that should form. Indicate the color of any precipitate that should form.
Five standar solutions of HBr are prepared by serials dilutions in which at each stage 10.00 mL are diluted to 160.00 mL. Given that the concentration of the most dilute solution
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