A compound has a molar mass of 28 g/mol. It is composed of 43% C and 57% O by mass. The atomic weights of carbon and oxygen are 12 and 16 amu, respectively.
What is the molecular formula for this compound?

A CO

B. CO2

C. Coz

D. C20

its 42

i say its d?

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

answer; (b) clear with a slight blue tint;

answerpotassium hydroxide preparation;

treatment of fungal infections usually follows diagnosis confirmed by potassium hydroxide preparation or culture;