If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?

What is the reservoir for the carbon cycle?

Akash bought vegetables weighing 10 kg. Out of this, 3 kg 500 g is onions, 2 kg 75 g is tomatoes and the rest is potatoes. What is the weight of the potatoes?

The weight of 72 books in 9 kh. What is the weight of 40 such books?

A iron pillar consists of a cylindrical portion of 2.8 m height and 20 cm in diameter and a cone of 42 cm height sumounting it. Find the weight of the pillar if 1 cm^3 of iron weights 7.5 g.

If one mole of carbon atoms weight 12 gms what is the mass (in gms ) of 1 atom of carbon .

If the law of constant compositon is true, what weights of calcium carbon, and oxygen are present in 1.5 g of calcium carbonate, if a sample of calcium carbonate from another source contains the following percentage composition: Ca = 40.0%, C = 12.0% , and O = 48.0% ?

What is asymmetric carbon atom.