What concentration of aqueous nacl solution freezes
what concentration of aqueous NaCl solution freezes at -15.2 C? the freezing point of pure water is 0.0 C and Kf of pure water is -1.86 C/m.
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a chemist makes a solution of 1.33 Mol CaCl2 and 800 kg water, and then discovers that the freezing point of the solution is significantly less than 0 c how coudl teh chemist change the solution to increase the freeazing point?
Calcium carbonate reacts with hydrochloric acid to forma a salt, carbon dioxide and water. Write the balanced equation and determine how many grams of salt will be produced of 50g of calcium carbonate was used?
You have 100 mL of toluene total and need the extraction to be 90% complete (only 10% remains in aqueous phase). Describe how this can be done.
A company that manufactures amplified pressure transducers is trying to decide between the machines shown below. Compare them on the basis of rate of return, and determine which should be selected if the company's MARR is 15% per year?
For the voltaic cells that you measured that used silver and copper provide the reaction that represents the voltage observed.Repeat this for the cell that used lead and copper. D oes copper behave in this two cells in the same way?
A car moves along an x axis through a distance of 990 m, starting at rest (at x = 0) and ending at rest (at x = 990 m). Through the first 1/4 of that distance, its acceleration is +2.25 m/s2.
At 25.0°C, a sample of Xe gas occupies 545 mL in a piston-cylider apparatus when the external pressure is 751 torr. At what pressure (torr) will its volume become 673 mL if the temperature does not change?
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