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calculate the freezing point and boiling point of each of the following solutions: a)65.0g of glucose,C6H12O6, anonelectrolyte, added to .112kg of water
Calculate the conditional formation constant Kf' for the formation of an EDTA complex with copper(II) at a pH of 5.00, if log Kf = 18.80. Show Work.
The following cell was used for the determination of pCrO4. SCE||CrO4(xM), AgCrO4|Ag. Calculate pCrO4 if the cell potential is -.386V
Water is 11.2% hydrogen and 88.8% oxygen by weight. If 75.5 grams of hydrogen are produced by decomposing water, how many grams of water were decomposed and how many grams of oxygen were produced
Element X has two natural isotopes: X-6 (6.015 amu) and X-7 (7.016 amu). Calculate the atomic mass of the element X given the abundance of X-7 is 92.5%
What are the pH values if you take into account that the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of water
What is the pH of the solution created by combining 1.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HC2H3O2(aq)
at a particular temperature, N2O5 decomposes according to a first-order rate law with a half-life of 3.0s. If the initial concentration of N2O5 is 1.0x10^-6 molecules/cm^3, what will be the concentr
calculate the molality (m) of the following solutions: a)65.0 g of glucose, C6H12)6, a nonelectrolyte, added to .112 kg of water. b).320 mol of sucrose, C12H22O11, a nonelectrolyte, dissolved in 1.5
how many moles of each of the following strong electrolytes are needed to give the same freezing point lowering as 3.0 mol of the nonelectrolyte ethylene glycol in 1 kg of water? a)CH3-OH, a nonele
identify the following as characteristic of a solution, colloid, or suspension: a)particles of this mixture remain inside a semipermiable membrane, but pass through filters. b)the particles of solut
how many liters of CO2 gas can form at STP when 15.5 mL of a 3.00 M HCl solution reacts with excess CaCO3? c)what is the molarity of a HCl solution if the reaction of 200 mL of the HCl solution with
how many grams of Ni(OH)2 are produced from the reaction of 35.0 mL of a 1.75 M NaOH solution ans excess NiCl2? c)what is the molarity of 30.0 mL of a NiCl2 solution if this volume of solution react
You need to dilute 30.0 mL of a 2.50 M NaCl solution to make a .500 M NaCl solution. what is the volume of diluted solution after you add water
Determine thel volume (mL) required to prepare each of the following: a)20.0 mL of a .250 M KNO3 solution from a 6.00 M KNO3 solution. b)25.0 mL of 2.50 M H2SO4 solution using a 12.0 M H2SO4 solutio
Determine the final volume (mL) for each of the following: a) diluting 2.50 mL of an 8.00 M KOH solution to give a 2.00 M KOH solution. b) diluting 50.0 mL of a 12.0 M NH4Cl solution to give a 2.00
calculate the final concentration of the solution in each of the following: a)water added to 10.0 mL of a 3.50 M KNO3 solution gives a volume of .250 L. b)a 5.00-mL sample of a 18.0 M sucrose soluti
calculate the volume, in liters, of each of the following solutions that provides the given amount of solute: a)5.00 mol of NaOH from a 12.0 M solution. b)15.0 g of Na2SO4 from a 4.00 M solution. c)
calculate the grams of solute needed to prepare each of the following solutions: a)2.00 L of a 5.00 M NaOH solution. b) 325 mL of a .100 M CaCl2 solution. c) 15.0 mL of a .500 M MiNO3 solution.
calculate the molarity of each of the following solutions: a) .500 mol of sucrose in .200 L of a sucrose solution. b) 30.4g of LiBr in 350 mL of a LiBr solution. c) 73.0 g of HCl in 2.00 L of a HCl
Which metal would provide the worst protection for an iron pipe buried in the ground if attached to an iron pipe, Ag, Cu, Zn, Mg
a bottle of champagne is 11% alcohol by volume. if there are 750 mL of champagne in the bottle how many mL of alcohol are present
Complexes of a given metal with ligands higher in the spectrochemical series like CN- will display _______ crystal-field splitting and will absorb light towards the ____ end of the spectrum.
calculate the amount of solute (g or mL needed to prepare the following solutions: a) 150 g of a 40.0%(m/m)LiBr solution. b) 450 g of a 2%(m/m) KCl solution. c) 225 mL of a 15%(v/v) isopropyl alcoho
what is the difference between a 10% (v/v) methanol (CH3OH) solution and a 10%(m/m) methanol solution