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i dont quite understand how to get 32-34. what formulas should i use?

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Apr 28th, 2015

For 32, use Henry's law. It says C=kP_gas where C is the solubility of the gas at some temperature, k is Henry's law constant, and P_gas is the partial pressure of the gas. Thus k=C/(P_gas). From the information we can calculate the solubility in the second scenario, and thus can find the pressure because we know solubility and pressure for one situation.

For 33, it is what it sounds like. We find the percent of mass that is the solute. This is (8.55/(8.55+78.00))*100%

34 is merely dimensional analysis. .250L*(3.75mole/L)*(74g/mole)= .250*3.75*74 grams.

Apr 28th, 2015

thank you soo much! also, what formulas should i use for 36 and 37?

Apr 28th, 2015

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Apr 28th, 2015
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