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Chapter 2: Q22 P (page 44)

Which drying agent is more efficient, Drierite or phosphorus pentoxide?

Short Answer

Expert verified

Phosphorus pentoxide is more efficient.

Step by step solution

01

Definition of Drierite

Drierite (calcium sulphate, CaSO4) and phosphorus pentoxide P4O10are two drying agents with different efficiencies.

02

Determine which drying agent is more efficient among Drierite and phosphorus pentoxide

Drierite:67渭gH2O/L

Phosphorus pentoxide:3.6渭gH2O/L

As a result, we may deduce that phosphorus pentoxide is a more efficient drying agent since it absorbs more water per litre from the atmosphere

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Most popular questions from this chapter

(a) Use the ideal gas law (Problem 1 - 18 ) to calculate the density (g/mL) of helium at 20掳C and 1.00 bar.

(b) Find the true mass of Na (density = 0.97 g/mL) weighed in a glove box with a He atmosphere, if the apparent mass is 0.823 g.

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(b) Which is more accurate, a transfer pipet or a measuring pipet?

(a) The equilibrium vapor pressure of water at \({20^\circ }{\rm{C}}\) is \(2330\)Pa. What is the vapor pressure of water in the air at \({20^\circ }{\rm{C}}\)if the relative humidity is \(42\% \) ? (Relative humidity is the percentage of the equilibrium water vapor pressure in the air.)

(b) Use note \({\bf{13}}\) for Chapter \({\bf{2}}\) at the end of the book to find the air density\(({\rm{g}}/{\rm{mL}}\),not \({\rm{g}}/{\rm{L}})\)under the conditions of part\(\left( {\bf{a}} \right)\)if the barometric pressure is\(94.0{\rm{kPa}}\).

(c) What is the true mass of water in part \(\left( {\bf{b}} \right)\)if the mass in air is\(1.0000\;{\rm{g}}\)?

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