A solution of acetic acid has an equilibrium pH of 2.54 (pKa = 4.75). What was the original concentration of acetic acid?

A.

0.469 molar

B.

0.467 molar

C.

0.462 molar

D.

0.571 molar

E.

0.398 molar

Two or more velocities added by ...

Describe how depth affects seawater temperature and density.

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How many valence electrons are there in silicon, which has an atomic number of 14? a. 2 b. 4 c. 6 d. 8

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All matter has mass and takes up space. True False

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