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If a 7.0 mL sample of vinegar was titrated to the stoichiometric equivalence point with 7.5 mL of 1.5M NaOH what is the mass percent of CH3COOH (acetic acid) in the vinegar sample. Please show work
Potassium nitrate has lattice energy of -163.8 kcal/mol as well as a heat of hydration of -155.5 kcal/mol. Explain how much potassium nitrate has to dissolve in water to absorb 114kJ of heat
what is the ph of a solution formed when 100 ml of a base with ph off 13 is diluted to 1 liter with pure water?
What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.490M NaC2H3O2 ? For MnS, Kspa=3x10^7
Question- A cell is constructed by immersing a srip of silver in 0.10 m AgNO3 solution and a strip of lead in 1.0 m Pb(NO3)2 solution. A wire and salt bridge complete the cell. What is the potential for the cell
Calculate the molar concentration of HCl in a solution that has a specific gravity 1.185 and is 36.5% (w/w). Prepare from this bottle 1 L of 0.1 HCl solution. 25 mL of this solution titrated with 30 mL of NaOH.
Question- Three standard reduction electrode potentials are given as E(A)= -1.00 V for A+(aq)/A(s); E(B)= -0.50 V for B+(aq)/B(s); and E(c)= -0.25V for C+(aq)/C(s). Which of the following chemical reactions will spontaneously occur? Briefly explai..
water and glycerol ch2ohchohch2oh are miscible in all proportions. what does this mean? how do the oh groups of the
Calculate the solubility product, Ksp, magnesium oxalate (MgC2O4) using appropriate standard reduction potentials from Appendix H
Conversion of sulfur dioxide to sulfur trioxide reaction exothermic or endothermic and an diagram showing the internal energy changes
Write down and explain the feature(s) in the Schrödinger equation that lead to the "electron correlation problem". Next, explain the approximation(s) that lead to the introduction of effective nuclear charge (Z Effective).
How many molecules of CO2, H2O, C2H5OH, and O2 will be present if the reaction goes to completion?
Do the same calculation when the same amount of HCl is added to 30.0 mL of your original 0.05 buffer (pH is 9.6) compare the calculated pH to the actual measured pH.
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