1 pts Question 5
Acetic acid, the acid found in vinegar, has a chemical formula of HC2H302.
Which of the following shows the numbers of atoms and kinds of elements
found in one molecule of acetic acid?
O 1 carbon atom, 2 hydrogen atoms, 1 oxygen atom
O 1 carbon atom, 2 hydrogen atoms, 2 oxygen atoms
O 2 carbon atoms, 3 hydrogen atoms, 1 oxygen atom
O 2 carbon atoms, 4 hydrogen atoms, 2 oxygen atoms
1 pts
6

What is the empirical formula of vanadium 1 oxide given that 20.38 grams of vandium combines with oxygen to form 23.58 grams of the oxide

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change