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1. A solution that contains 90 moles of water and 1 mole of MgCl2 will have what...

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Chemistry

1.A solution that contains 90 moles of water and 1 mole of MgCl2 willhave what partial pressure? The vapor pressure of pure water is17.5 mmHg.

At standard temperature and pressure, water has a vaporpressure of 17.5 mmHg, and ethanol has a vapor pressure of 43.7mmHg. What is a possible vapor pressure of an ethanol/watermixture.

Nitrogen gas has a Henry's Law constant of 0.00061 mole/L•atm.At a concentration of 0.1 mole/L, what is the partial pressure ofthe nitrogen above water, assuming it is an sealed container?

How much heat is required to heat 100g of water vapor from101-200ºC. The specific heat of water vapor is 1.996 J/g•ºC.

How much heat is released by 10,000g of 0º water as itfreezes? The enthalpy of fusion for H2O is 333.55 J/g.

Osmotic pressure = iMRT. What is the osmotic pressure of a 0.8M solution of NaCl? Assume a van t'Hoff constant of 1.9

For a certain reaction, the change in enthalpy is -180kJ/mole. Calculate the change in entropy of the surroundings at300K. ΔS = ΔH(system)/T






Answer & Explanation Solved by verified expert
4.0 Ratings (503 Votes)
1 No Of moles of MgCl2 1 mol No of moles of water 90 mol Vapour pressure of water po 175 mm of Hg From Henrys law partial pressure po X mole fraction Mole fraction X no of moles of water total number of moles X 90 90 1 9091 Partial pressure 175 9091    See Answer
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