Name & describe each of the 7 crystal structures. Solutions. Solution. Homogeneous mixture made up of at least one solute dissolved in the solvent. Solute. Substance being dissolved Portion in lesser molar amount. Solvent. Substance doing the dissolving Portion in greatest molar amount.
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Calculate the mole fraction of each portion when 92 g of C NaOH dissolved in water2H5OH dissolved in 144 mL of water
Calculate the molality & mole fraction of a solution containing 46 g of C2H5OH dissolved in 1782 mL of water
Colligative Properties containing 46 g of C
Examples containing 46 g of C
Vapor Pressure containing 46 g of C
Boiling & Freezing containing 46 g of C
DT = imoK
DT = change in BP or FP
i = ionic activity
K = BP or FP constant
Osmotic Pressure containing 46 g of C
p = iMRT
p = osmotic pressure
i = ionic activity
M = Molarity
Calculate the vapor pressure of a solution containing 120 g C3H7OH in 144 mL of water at its BP.
Calculate the osmotic pressure of a solution containing 12 g of C4H8O4 dissolved in 750 mL solution at 27oC
Clausius-Claperon Eq of C
(T2 – T1) P1
Hv= R ln
VP of Cbenzene Temp (oC) 24.5 27 73.5 127Calculate Hv for benzene:
Drill: Calculate BP & FP of 88 g of CO of C2 in 750 mL waterKBP = 0.512oC/moKFP = -1.86oC/mo
Calculate the osmotic pressure of a solution containing 29.9 g of CoBr3 dissolved in 7500 mL solution at 27oC
Calculate the vapor pressure of a solution containing 12.0 g C3H8O in 14.4 mL of water at its BP.
180 g C C3H8O was dissolved in 180 mL H2O at 27oC making a 1.5 g/mL solution. Calculate X, mo, M, p, VP, BP, & FP.
Drill: Calculate the mass of lead(II)nitrate required to make 250 mL of 0.40 M Pb(NO3)2
300 g C make 250 mL of 0.40 M Pb(NO3H6NF was dissolved in 500 g C6H12O at 27oC making a 0.800 g/mL solution. Calculate X, mo, M, p, VP, BP, & FP.
A 1.2 g/cm Pb(NO3 aqueous solution is 20.0 % by mass NaOH at 27oC.
Calculate: X, mo, M, p, & MP
Calculate the molecular mass of a covalent compound dissolved in an aqueous solution to make it 25 % by mass when it boils at 102.048oC