In chemistry, there is a class of compounds called alkanes. they have the general formula , where c stands for a carbon atom and h stands for a hydrogen atom. the subscript x stands for the number of carbon atoms, and the subscript stands for the number of hydrogen atoms in one molecule of the compound. carbon atoms hydrogen atoms alkane formula 1 4 2 6 3 8 suppose an alkane had 30 hydrogen atoms. how many carbon atoms would it have? a. 15 atoms c. 14 atoms b. 62 atoms d. 28 atoms

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.

answer: they produce more slow than unicellular organisms.