The Lewis dot model of a molecule is shown. A visual diagram of a CH2O molecule is shown. Carbon is the central atom with two horizontal lines connecting to the oxygen atom on its right. The oxygen atom also has two pairs of dots around it. Carbon has two horizontal lines each connected to each of the two hydrogen atoms.

Based on the model, which of the following is true? (5 points)
Oxygen is the least electronegative of the three atoms.
Carbon has a total of four bonded pairs of electrons around it.
Oxygen has four pairs of non-bonding innermost shell electrons.
Carbon has an incomplete octet as it transfers an electron to each hydrogen.

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.