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What volume of concentrated (14.7 M) phosphoric acid is needed to prepare 25.0 L of 3.0 M H3PO4?


A) 0.20 L
B) 0.57 L
C) 1.8 L
D) 3.6 L
E) 5.1 L

F) A) and B)
G) A) and C)

Correct Answer

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What is defined as the selective passage of solvent molecules through a porous membrane from a more dilute solution to a more concentrated solution?


A) Permeability
B) Semipermeability
C) Osmotic pressure
D) Osmosis
E) Vapor pressure

F) A) and B)
G) None of the above

Correct Answer

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