calculate the ph of a olution prepared by dissolving 2.05 g of sodium acetate, ch3coona, in 81.5 ml of 0.15 M acetic acid, ch3cooh(aq). assume the volume change upon dissolving the sodium aceate is neglegable. Ka of CH3cooh is 1.75 x 10-5

b..

is the correct one

explanation:

covalent bonds form as valence electrons are shared between two atoms. lewis structures and structural formulas are common ways of showing the covalent bonding in organic molecules. formal charge describes the changes in the number of valence electrons as an atom becomes bonded into a molecule.

in scientific notation, the value of the  speed of light in a vacuum

  will be written as 2.995 * 10^8. when this value is represented in the form of

  a * 10^b, then, a = 2.995 and b = 8.

the value of the speed of light in a vacuum given above can also be rounded up to approximately 300000000. in this case, the scientific notation will be written as 3 *10^8.

the answer is c. nacl