Calculate the effective number of ions formed per mole

Reference no: EM13701361

Problem- A- Explain why the boiling points of HF, NH3, and H2O are all much higher than those of their third row analogues (HCl, PH3, H2S).

B- Explain why solid water floats in its liquid whereas solid HF and NH3 do not exhibit this behavior.

C- The freezing point of a solution of 0.494 g of K3Fe(CN)6 (MW = 329) in 100 g of water is -0.093°C. Calculate the effective number of ions formed per mole of solute that dissolves given Kf(H2O) = 1.86 K kg mol-1.

Show all work, use additional paper if necessary.

Reference no: EM13701361

Questions Cloud

Identify inflection points and critical points : Problem- f(x)=x^4-20x^3+10finf intervals where functions is concave up or down. Identify inflection points, critical points, and local max and mins using calc

What is the concentration of k+ dissociation : Problem- What is the concentration of K+\rm K^+ ions in a 0.045 M~M K2CO3\rm K_2CO_3 solution assuming complete dissociation

Determine the half-cell potential for the reduction of o2 : Problem- Given that the partial pressure of O2 in the atmosphere is 0.20 atm and the concentration of H3O+ is 2.0 x 10-6 M, determine the half-cell potential for the reduction of O2 according to the reaction-

Calculate the molarity of a solution made by dissolving : Problem- Calculate the molarity of a solution made by dissolving 12.7 grams of Na2CrO4\rm Na_2CrO_4 in enough water to form exactly 580mLmL of solution

Calculate the effective number of ions formed per mole : The freezing point of a solution of 0.494 g of K3Fe(CN)6 (MW = 329) in 100 g of water is -0.093°C. Calculate the effective number of ions formed per mole of solute that dissolves given Kf(H2O) = 1.86 K kg mol-1.

The absorption of light by the pi electron system : Problem- The absorption of light by the pi electron system of a molecule can be modeled as an electron bound in a quantum well. For C4H6, the wavelength required to excite the lowest pi electron transition is 217 nm. Use this fact to estimate the av..

Calculate the concentration of iodate ions in a saturated : Problem- Calculate the concentration of iodate ions in a saturated solution of barium iodate, Ba(IO3)2. The Ksp = 1.5 Ã? 10-9.

Calculate the free energy change for the hydrolysis of atp : Problem- The standard free energy change for the hydrolysis of ATP is -30.5 kJ. In a particular cell, the concentrations of ATP, ADP, and Pi are 3.2×10?3M , 1.1×10?3M , and 4.7×10?3M , respectively Calculate the free energy change for the hydrolys..

Calculate the molarity of na+ in an aqueuous solution : Problem- Calculate the Molarity of NA+ in an aqueuous solution prepared by dissolving 1.00g of NACL(S) in water, and the final volume of the solution is 10.0 L Note g is the gram unit, and L is the liter unit.

User Account

All Pages