SELECT * FROM question_mgmt as q WHERE id=1245 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=9 AND chapterId=42 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 11th chemistry Some Basic Concepts of Chemistry what will be the mass of one 12c atom in g

Question:

What will be the mass of one 12C atom in g?

Answer:

1 mole of carbon= 6.022x 1023 carbon atoms = 12 g carbon

Or 6.022x 1023 atoms of carbon = 12 g of carbon

Therefore 1 atoms of carbon = 12/6.022x 1023 x 1= 1.993 x 10-23 g of carbon


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