Question

Mass of one dot written with pure graphite pencil is about one microgram.Calculate no. If c atoms required to write dot

Answer 1

Answer:

Rounded more reasonably, this is 1013 atoms in the pencil dot.

question_answer How many atoms would be present in a black dot marked on the paper with graphite pencil as a full stop at the end of a sentence. [Given mass of a dot ] Answer: 1 mole of carbon atoms weigh = 12 g Also, 1 mole of carbon atoms = 6.022 x 1023 atoms Thus, 12 g of carbon atoms has 6.022 x 1023 atoms.

Explanation:

Learners will need to know that a pencil 'lead' is graphite, a form of carbon, and that 12 g of carbon contains 6.02 x 1023 carbon atoms. Use of 6.02 x 1023 (602 sextillion) is likely to be new information for learners. The learners then try to solve this problem for themselves using paper, a pencil and a balance.....Mark Brainlist Selected my Question