Daiyo

A 1.00% by mass MgSO4(aq) solution has a freezing point of -0.192°C. (a) Estimate the van't Hoff i factor from the data. (b) Determine the total molality of all solute species. (c) Calculate the percentage dissociation of MgSO4 in this solution. Can anyon...

The normal boiling point of ethanol is 78.4°C. When 9.16 g of a soluble nonelectrolyte was dissolved in 100. g of ethanol, the vapor pressure of the solution at that temperature was 7.40 102 Torr. (a) What are the mole fractions of ethanol and solute? (b)...

Calculate the aqueous solubility (in milligrams per liter) of the following. The temperature is 20.°C in each case, the pressures are partial pressures of the gases. (a) air at 2.4 atm (b) He at 1.7 atm (c) He at 11 kPa There's also a table giving Henry's...

A satellite that is spinning clockwise has four low-mass solar panels sticking out as shown; the mass of the satellite is 750 kg. A tiny meteor of mass 2 kg traveling at high speed rips through one of the solar panels and continues in the same direction b...

The vapor pressure is actually 7.40 x 10^2

Thanks for the help DrBob I forgot the pressure of any liquid at boiling point

Thanks DrBob, that's what i was thinking about the ionization percentage of the MgSO4 as well but I figured out the problem with a little help from my TA today.

Oh and the given molar mass of air was given to be 28.97g/mol

I don't have a clue how to start the question

Oh sorry the question is Calculate the final velocity of the center of mass of the satellite:

well there's a picture too but i don't know if i can post that on here

and that didn't seem to work for me because i got like 13.777 for the velocity of the center of mass do I have to use the radius of the satellite at all in the question?