Two bio molecules are shown Which of the following best describes these bio molecules
A-molecule X and Molecule Y are both carbohydrates
B-Molecule X is a nucleic acid, and molecule Y is a carbohydrate
C-molecule X and molecule Y are both nucleic acids
D- molecule X is a carbohydrate, and molecule Y is a nucleic acid

that one is the nucleus

Explanation:

1. 1 mole of anything contains 6.022x10^23 pieces  

d  

2. a  

3. c, number  

5. 1.24x10^24atoms / 6.022x10^23atoms/mole = 2moles h2 atoms  

6. fe2br3 mass = 2moles x mass fe + 3 moles x mass br  

molar mass = grams / number of moles = g/mole  

to find moles = g / molar mass  

to find mass = g = molar mass / moles

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this