The number of carbon atoms present in a signature, if a signature written by carbon pencil weights 1.2×10−3 g is:
The number of carbon atoms present in a signature, if a signature written by carbon pencil weighs 1.2×10−3 g is:
A student puts his signature with graphite pencil. If the mass of carbon in the signature is 10−12 g. Calculate the number of carbon atoms in the signature.