Question

How many glucose molecules, carbon atoms, hydrogen and oxygen atoms are present in 3.42 grams of glucose?

Answer 1

180 g of glucose have 6 c atom 12 H atoms 6 O atoms
1 g glucose have (6×6.023×10^23)/180 carbon atoms
1 g glucose have (12×6.023×10^23)/180 H-atoms

1 g glucose have (6×6.023×10^23)/180 O-atoms