2. How many chlorine atoms are in 4 moles of chlorine? Round your answer to two decimal places and remember the rules of rounding. When writing your
answer use the format #E# atoms of chlorine. (Only put a space between
number for your exponent and the following words. Example: 1.23E4 atoms of
chlorine) If you do not write your answer in the right format it will mark it wrong.
If you have questions about how it should be written be sure you ask WITHOUT
stating the answer.

Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work