The total number of C atoms in `beta-`D fructo-furanose are

The total number of C atoms in beta- D fructofuranose are

The total number of C -atoms beta - fructofuranose are:

Total number of chiral carbons in beta-D(+) glucose is

0.001 g of C is required to write a letter with a graphite pencil. The total number of C atoms used in writing the letter is

Determine total number of atoms in per unit formula of (A),(B) and (C)